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192 Cards in this Set
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Classification of hypersensitivity reactions:
|
type I: immediate, IgE-mediated, type II: antibodydependent cytotoxic, type III: immuncomplex-mediated,
type IV: delayed, T-cell mediated |
|
Type I hypersensitivity reaction, example:
|
wasp bite allergy, urticaria
|
|
Type II hypersensitivity reaction, example:
|
drug-induced hemolytic anemia
|
|
Type III hypersensitivity reaction, example:
|
drug-induced immuncomplex vasculitis
|
|
Type IV hypersensitivity reaction, example:
|
maculopapular drug reaction
|
|
Most severe form of type I hypersensitivity:
|
anaphylactic shock
|
|
Definition of anaphylaxia:
|
most severe form of type I hypersensitivity reaction,
symptoms: generalized pruritus, erythema and urticaria, edema, huskiness, tongue swelling, bronchospasm, nausea, RR decrease, collapse, respiratory and circulatory insufficiency |
|
Therapy of anaphylaxia:
|
noradrenalin, parenteral fluid replacement, monitoring,
corticosteroid, antihistamin |
|
Pathomechanisms of angioneurotic edema:
|
IgE-mediated reaction (e.g. drug, food) or complementmediated reaction (hereditary or acquired (ACEI) deficiency
of C1q esterase inhibitor |
|
Classification of urticaria:
|
acute, acute intermittent, chronic
|
|
Definition of chronic urticaria:
|
symptoms of urticaria lasting >6 weeks
|
|
Differentiation between allergic urticaria and
urticarial vasculitis: |
in urticarial vasculitis the urtica lasts at the same location
for >24 hours |
|
. Primary lesion in allergic contact dermatitis:
|
seropapule
|
|
Topical therapy of allergic contact dermatitis:
|
corticosteroid cream or lotion, Aluminium aceticum
tartaricum-ointment, zinc-shake lotion |
|
Most prevalent contact sensitizers:
|
nikkel, fragrance, cobalt, chrome
|
|
Skin test to verify contact hypersensitivity:
|
epicutaneous test
|
|
Skin test to verify type I hypersensitiivity:
|
Prick test
|
|
Type of hypersensitivity reaction verified by
epicutaneous skin test: |
delayed, type IV reaction
|
|
Definition of white dermographism:
|
after mechanical stimulus instead of vasodilatation
(hyperemia) vasoconstriction (white reaction) develops on the skin of atopic patients |
|
Main features of atopic dermatitis:
|
atopic anamnesis, chronic course, pruritus, dry skin,
characteristic skin lesions e.g. lichenification and extensive, hyperemic plaques with desquamation and excoriations (scratching) in the crook of the arm and in the popliteal area, in children ekzema o |
|
Frequent reason of erythroderma originating in
allergic reaction: |
medicament
|
|
Clinical appearances of drug allergy:
|
scarlatiniform, rubeoliform, morbilliform exanthemas,
urticaria, maculopapular or papulovesicular exanthemas, erythema exsudativum multiforme, (palpable) purpura, erythema nodosum, fix drug eruption |
|
Definition of fix drug eruption:
|
recurrent, soliter or multiplex, well circumscribed,
erythematous macules, rarely blisters, erosions on the skin or on the mucous membranes, appearing at the same locations again and again in connection with taking a certain drug |
|
Definition of erythema exsudativum multiforme
|
typical annular erythematous macules, papules, sometimes
with central blisters caused by viral infections, drugs, etc., in its more severe form the mucous membranes are also involved (Stevens-Johnson syndrome) |
|
Definition of Lyell-syndrome:
|
toxic epidermal necrolysis (TEN) extending >30% BSA,
induced by S. aureus infection or certain drugs, accompanied with high mortality |
|
Checkup for drug allergy:
|
detailed anamnesis, LTT, provocation test
|
|
Frequent origin of leukocytoclastic vasculitis of the
skin: |
hypersensitivity reaction to drug, infection, tumor, food, etc
|
|
Clinical appearance of the leukocytoclastic vasculitis
of the skin: |
palpable purpura with or without central necrosis,
particularly on the lower extremities, symmetrically |
|
Drugs frequently emerged as causes of cutaneous
vasculitis: |
penicillin, sulfonamide, amidazophen, diphenyl-hydantoin,
phenylbutazon |
|
Clinical appearance of the erythema nodosum:
|
painful nodes on the extensor surfaces of the extremities,
particularly on the legs |
|
Internal diseases frequently associated with
pyoderma gangrenosum: |
IBD (Crohn-disease, colitis ulcerosa)
|
|
Causes of serum sickness:
|
immunization with heterologous proteins (e.g. tetanus),
parenteral antibiotics |
|
Subtype of cutaneous lupus erythematodes which is
accompanied by scarring: |
DLE (CCLE)
|
|
It can be expected after DLE-patient was exposed to
sunlight: |
progression or recurrence of skin symptoms
|
|
Dermatological symptoms of SLE:
|
butterfly-erythema, photosensitivity, buccal erosions,
effluvium, cutaneous vasculitis |
|
Dermatologic symptoms of dermatomyositis:
|
photosensitivity, heliotrop rash, Gottron-papules, periungual
telangiectasia, alopecia, calcinosis, poikiloderma |
|
Diagnostic criteria of dermatomyositis (5):
|
proximal muscle weakness, elevated serum CK and LDH,
chracteristic EMG changes, diagnostic muscle biopsy, inflammatory skin symptoms |
|
It has to be excluded as provoking factor of
dermatomyositis: |
malignancy (ovarial, gastrointestinal, lung, breast, headneck cancer)
|
|
Definition of pemphigus vulgaris:
|
autoimmune disease characterized by intraepidermal blister
development as consequence of autoantibody formation against desmosomal proteins |
|
Characteristics of the blisters in pemphigus vulgaris:
|
noninflammatory base, thin wall, easily ruptured (tend to
erode), localised to the mucous membranes and skin |
|
Medications suitable for treatment of pemphigus
vulgaris: |
high-dose corticosteroid, azathioprin, cyclophosphamid,
IVIG |
|
Histological definition of pemphigoid:
|
subepidermal blister formation
|
|
Direct immunfluorescence finding in bullous
pemphigoid: |
IgG and C'3 deposition along the basement membrane
|
|
Important for the successful therapy of dermatitis
herpetiformis Duhring: |
gluten-free diet
|
|
Therapy of folliculitis:
|
topical desinficients, if necessary, systemic antibiotics
|
|
Definition of impetigo:
|
superficial (subcorneal) pyogenic inflammation caused by
Str. haemolyticus or S. aureus |
|
Therapy of impetigo:
|
Removal of crust, then topical antiseptic ointment, if
necessary, systemic antibiotics |
|
Complicated forms of erysipelas:
|
bullous, haemorrhagic, gangraenous, absceding, migrating,
recurrent |
|
Therapy of erysipelas:
|
systemic antibiotics (penicillin derivates, makrolides),
topical Aluminium-containing ointment or zinc-shake lotion, chill, antiseptic treatment of the injury site |
|
Cause of Lyme disease, initiating skin symptom:
|
Borrelia burgdorferi transferred by tick bite, erythema
chronicum migrans |
|
Dermatological symptoms associated with Lymeborreliosis:
|
erythema chronicum migrans, lymphadenosis benigna cutis,
acrodermatitis chronica atrophicans |
|
Characteristic clinical symptom of soor oris:
|
painless whitish confluent papules on the buccal mucous
membrane, tongue, palate, after wiping erosions are left |
|
Clinical types of candidosis oris:
|
acute pseudomembranous; atrophic; chronic hyperplastic;
granulomatous |
|
Common pathogens in dermatomycoses:
|
dermatophytons (obligate), yeasts (facultative)
|
|
Clinical picture of pityriasis versicolor:
|
0.5-1 cm, round, rarely scaling, pale brown or white,
scattered or confluent macules on the shoulders, upper parts of chest and back; reservoir: scalp |
|
Characteristics of herpes zoster:
|
varicella zoster virus induced, remarkable pain followed by
formation of grouped vesicles (1-3 mm) localized to dermatom, accompanied by lymph node swelling, postherpetic neuralgia is possible, cause of immunosuppression (e.g. neoplasia) has to be looked |
|
Examples of oral antimycotic drugs:
|
ketoconazole, fluconazole, itraconazole, terbinafin
|
|
Clinical picture of molluscum contagiosum:
|
1-3 mm, flesh-coloured, shiny, umbilicated papules, induced
by Poxvirus |
|
Sexually transmitted infections to be registered:
|
syphilis, gonorrhoea, HIV, ulcus molle, lymphogranuloma
venereum, granuloma inguinale, NGU, herpes genitalis, condyloma acuminatum |
|
Cause of syphilis:
|
Treponema pallidum infection
|
|
Transmission of syphilis:
|
sexual, transplacental, intravenous
|
|
Stages of syphilis:
|
early syphilis (syphilis I, II, syphilis latens recens, early
syphilis connatalis), late syphilis (syphilis III, syphilis latens tarda, late syphilis connatalis) |
|
Characteristics of syphilis I:
|
21 days after the infection brownishred papule at the
inoculation site, then painless ulcus durum, bubo indolens, belltongue penis |
|
Characteristics of syphilis II:
|
9 weeks after the infection generalized maculopapular, not
itchy exanthem, condyloma latum, lymphadenomegaly |
|
Definition of syphilis latens recens:
|
complete seropositivity within 2 years after the infection,
without clinical symptoms |
|
Revealing of T. pallidum:
|
dark field microscopy, from fluid obtained from the surface
of ulcus durum or from lymph node punctate |
|
Syphilis serological tests:
|
aspecific:lipoid-test (RPR), specific:T. pallidum
immobilization-test (TPIT), fluorescent treponemal antibody-test (FTA-Teszt), FTA-Abs-test, T. pallidum haemagglutination test (TPHA), ELISA |
|
Biological aspecific positivity of syphilis serological
test: |
lipoid-test positivity without T. pallidum infection, the
reasons: autoimmune diseases, viral infections, intravenous drug abuse, pregnancy |
|
Definition of Jarisch-Herxheimer reaction:
|
4-12 hs after starting antibiotic treatment in syphilis fever
and chill appears, not allergic response |
|
Therapy of syphilis I-II:
|
2x15 MIU procain-penicillin i.m. (1 MIU/nap), 2-4 ws
between the two courses, or in Sy I 1x2.4 MIU benzathinpenicillin i.m., in Sy II and Sy latens recens 2x2.4 MIU benzathin-penicillin |
|
Cause of gonorrhoea
|
Neisseria gonorrhoeae
|
|
Clinical types of urogenital gonorrhoea in male:
|
urethritis gonorrhoica anterior/posterior acuta, prostatitis
gonorrhoica, epididymitis gonorrhoica acuta |
|
Clinical types of urogenital gonorrhoea in female:
|
cervicitis gonorrhoica acuta, bartholinitis gonorrhoica acuta,
vulvovaginitis gonorrhoica acuta, endometritis gonorrhoica, endosalpingitis gonorrhoica acuta, adnexitis gonorrhoica acuta |
|
Symptoms of acute urethritis gonorrhoica anterior:
|
burning pain, white, then yellow abundant urethral fluid,
urinary pain |
|
Diagnostics of gonorrhoea:
|
microscopical examination (Gram-stain), culture, PCR
|
|
Therapy of gonorrhoea:
|
1x250 mg ceftriaxon i.m. (cave: Lidocain-hypersensitivity)
or 1x400 mg ofloxacin p.o. or 1x400 mg cefixim or 1x500 mg ciprofloxacin p.o. |
|
Causes of non-gonorrhoeal urethritis:
|
Chlamydia trachomatis, Ureoplasma urealyticum
|
|
Therapy of Chlamydia trachomatis infection:
|
2x100 mg doxycyclin/day p.o. for 8 ds or 1x1 g
azithromycin p.o. |
|
Possible consequences of PID:
|
infertility, ectopic pregnancy
|
|
Cause of herpes genitalis:
|
HSV-1, HSV-2
|
|
Possible consequences of herpes genitalis:
|
superinfection, infection of the newborn, recurrence,
increased risk of HIV-infection, increased risk of cervix cancer |
|
Therapy of primary herpes genitalis:
|
5x200 mg acyclovir for 5 days
|
|
Cause of condyloma acuminatum:
|
HPV 6, 11, rarely 16, 18
|
|
Signs of scabies:
|
increased pruritus in warm, particularly at night, papules,
nodules and excoriations in finger webs, on palms, on soles, on volar surface of wrists, in intertriginous areas, in the genital area; members of family frequently have the same symptoms |
|
Therapy of scabies:
|
permethrin cream (8 hs), sulfur and salicylic acid containing
ointment (3 ds-therapy) |
|
Characteristic skin lesions in psoriasis:
|
papule, plaque, squama (parakeratosis)
|
|
Definition of Köbner-phenomenon:
|
10-14 ds after a physical or chemical trauma the
characteristic skin lesions of a skin disease develop |
|
Predilection sites of psoriatic skin lesions:
|
sites of irritation: elbow, knee, scalp; inverz: intertriginous
areas (under the breast and abdomen, genitofemoral, perianal areas) |
|
Frequent nail symptoms of psoriasis:
|
psoriasis punctata unguium, onycholysis partialis,
onychodystrophia, onychogryphosis |
|
Factors influencing the development of psoriasis:
|
inherited factors, epidermal and immunological
characteristics, environmental factors, stress |
|
Complications in psoriasis:
|
1. erythroderma psoriaticum 2. psoriasis pustulosa 3.
arthropathia psoriatica |
|
Mechanism of pustule formation in psoriasis
pustulosa: |
leukocyte accumulation within the epidermis induced by
citokines causing sterile pustules on erythematous base |
|
Clinical forms os psoriasis pustulosa:
|
1. localized (pustulosis palmoplantaris) 2. generalized
|
|
Clinical types of arthropathia psoriatica:
|
1. distal (oligoarticular or polyarticular, symmetric or
asyimmetric) 2. axial (iliosacral) |
|
Drugs which are able to provoke symptoms of
psoriasis: |
beta-blockers, NSAIDs, lithium
|
|
Topical therapy of psoriasis:
|
emollients, salicylic acid- and sulphur-containing oil and
ointment (keratolysis), topical corticosteroids, calcipotriol, Dithranol |
|
Sytemic therapy of severe psoriasis:
|
retinoid (acitretin), methotrexate, cyclosporine A, biological
response modifiers |
|
Reason of contraindication of systemic corticosteroid
therapy in psoriasis: |
rebound after stopping the steroid-therapy, often in more
severe form (erythroderma or psoriasis pustulosa) |
|
Therapy of arthropathia psoriatica:
|
NSAIDs, methotrexate, leflunomide, TNF-alfa inhibitors
|
|
Biological therapy of psoriasis:
|
TNF-alfa inhibitors: adalimumab (Humira), etanercept
(Enbrel), infliximab (Remicade); IL12/23 inhibitor: ustekinumab (Stelara) |
|
Contraindications of TNF-alfa inhibitor therapy:
|
infections (tbc, HIV, hepatitis B, C), severe cardial
decompensation, malignancies, autoimmune diseases, demyelinization disorders, other severe diseases (e.g. renal insufficiency) |
|
Systemic retinoids:
|
isotretinoin (acne), acitretin (psoriasis, CTCL, morbus
Darier) |
|
Topical retinoids:
|
isotretinoin, adapalene (acne)
|
|
Indications of retinoid therapy:
|
acne, psoriasis, CTCL, palmoplantar hyperkeratosis
|
|
Side effects of retinoid therapy:
|
teratogenicity, cutaneous-, mucosal dryness,
hyperlipidaemia, hepatotoxicity, osteogenesis disturbance, pseudotumor cerebri (during tetracycline-therapy), gastrointestinal dyscomfort |
|
. Definition of PUVA:
|
photochemoterapy: psoralen + UVA-irradiation
|
|
Types of PUVA-therapy:
|
psoralen given systemically (per os) + UVA, psoralen used
topically (bath, cream) + UVA |
|
Definition of Re-PUVA:
|
retinoid per os in combination with PUVA-therapy
|
|
Indications of PUVA-therapy:
|
psoriasis, CTCL, scleroderma, lichen ruber planus
|
|
Type of phototherapy used most frequently:
|
narrow band (311 nm) UVB
|
|
Biologically active ranges of the sunlight reaching
the skin: |
UVB, UVA
|
|
Acute and chronic effects of the sunlight on the skin:
|
acute: sunburn, pigmentation, phototoxic and photoallergic
reactions, vitamin D-synthesis; chronic: photoaging, photocarcinogenesis (actinic keratosis, BCC, SCC, lentigo maligna, malignant melanoma), photodermatoses |
|
Therapy of sunburn:
|
chill, shake lotion, topical corticosteroid, dexpanthenol
foam, fluid intake, sunprotection, in severe form NSAIDS per os, steroid per os |
|
Chronic effects of ionizing irradiation on the skin:
|
poikiloderma (teleangiectasia, atrophy, hypo- and
hyperpigmentation), ulcer, hyperkeratosis, skin cancer |
|
Symptoms of lichen ruber planus:
|
violaceous hyperemic shiny surfaced flat angular papules,
symmetrically on the flexor surfaces of extremities, in the region of the sacrum; mucosal involvement is possible; severely itchy |
|
Extracutaneous symptoms of lichen ruber planus:
|
oral mucous membrane: lichen oris (papular, reticular,
plaque, atrophic, ulcerating, bullous-erosive); nail changes |
|
Definition of pityriasis rosea:
|
papulosquamous skin disease, maybe associated with HHV-
7; oval, pale erythematous papules, in a Christmas tree branches pattern, with collarette of fine scaling, mainly on the trunk of young adults; the generalized eruption is preceded by a herald patch; |
|
Therapy of pityriasis rosea:
|
avoidance of soap and bath and ointments, use of powder or
white shake lotion |
|
Symptoms of rosacea:
|
centrofacial erythema, telangiectasias, papules, pustules,
nodules, plaques, connective tissue and sebaceous gland hyperplasia (e.g. rhinophyma) |
|
Most common reasons of adulthood erythroderma:
|
primary: allergic or toxic skin reaction; secondary: upon a
previous skin disease or hematological malignancy e.g. atopic dermatitis, contact dermatitis, psoriasis, Sezary syndrome |
|
Characteristics of basal cell carcinoma:
|
most common skin malignancy, slowly enlarging, rarely
metastasizing, most frequent on the sun exposed skin areas, in men older than age 50, waxy nodules with central depression and exulceration, or red scaly ill-defined plaques/patches, highly chracetrist |
|
Clinical types of basal cell carcinoma:
|
nodulo-ulcerative, pigmented, superficial, fibrosing
(sclerosing, morphea-like) |
|
Etiology of basal cell carcinoma:
|
genetic factors, chronic UV-exposure, chemicals (As, tar),
ionizing radiation |
|
First choice treatment of basal cell carcinoma:
|
complete surgical excision
|
|
Treatment possibilities of basal cell carcinoma
besides simple surgical excision: |
topical cytostatics (5FU), imiquimod (only for superficial
tumor), cryotherapy, radiotherapy, Mohs' type micrographic surgery |
|
Definition of leukoplakia:
|
flat, whitish plaque localized to the mucous membrane of
lips, mouth, vulva, vagina; single or multiple; progression to SCC in 20-30% of chronic cases (precancerous lesion) |
|
Most common malignancy of the oral mucous
membrane: |
squamous cell carcinoma
|
|
Characteristics of squamous cell carcinoma:
|
rapidly growing nodule with central ulcer and indurated
raised border, there is preceding precancerous lesion, most common on the face and dorsa of the hands, lymph node metastases may occur |
|
Characteristics of "suspicious" pigment cell lesion:
|
asymmetry (A), irregular border (B), multiple color (C),
change in size (D=diameter increase), shape, pigmentation or appearance of induration, friability, ulceration (E=evolution) |
|
Predisposing factors for malignant melanoma:
|
high number of nevi, dysplastic nevi, small or large
congenital nevi, positive family history, fair skin with freckles, sunburn in childhood |
|
Differential diagnosis of malignant melanoma:
|
seborrheic keratosis, melanocytic nevus, dermatofibroma,
pigmented basal cell carcinoma, squamous cell carcinoma, hemangioma, subungual hematoma |
|
Major clinicopathological types of malignant
melanoma: |
superficial spreading melanoma (SSM), nodular melanoma
(NM), lentigo maligna melanoma (LMM), acral lentiginous melanoma (ALM), mucosal melanoma, amelanotic melanoma |
|
Significance of the Breslow tumour thickness:
|
main prognostic factor in malignant melanoma, determines
the requirement of sentinel lymph node biopsy and the size of the appropriate surgical margin and the need of adjuvant interferon-alfa therapy |
|
Staging parameters in malignant melanoma:
|
clinicopathological parameters (Breslow tumour thickness,
Clark invasion level, exulceration, mitotic rate, sentinel lymph node), laboratory parameters (blood cell counts, liver function test, LDH, S100), physical examination and US (regional lymph nodes |
|
Therapy of malignant melanoma:
|
Stage I-II: complete surgical excision of the primary tumor
± sentinel lymph node dissection, adjuvant: ± interferonalfa; Stage III: radical lymph node dissection, adjuvant: interferon-alfa ± radiotherapy ± chemotherapy; Stage IV: metastasectomy, palliat |
|
Characteristics of xeroderma pigmentosum::
|
early skin cancer development due to deficiency of
nucleotide excision repair |
|
Reasons for brown nail:
|
melanocytic nevus, acral lentiginous melanoma, subungual
hematoma, drugs (chloroquine, gold, mercury), Addisondisease |
|
Types of Kaposi sarcoma:
|
classic idiopathic, endemic (Africa), epidemic (AIDSrelated), iatrogenic
|
|
Characteristics of mycosis fungoides:
|
cutaneous T-cell lymphoma, appears as macules
(premycotic or erythematous stage), plaques (infiltrative stage), tumours (tumour stage) or erythroderma; lymph node metastases may occur; Sezary-syndrome is its leukemic form |
|
Characteristics of Sezary-syndrome:
|
leukemic form of the cutaneous T-cell lymphoma with
erythroderma, lymphadenopathy, ectropium, palmoplantar hyperkeratosis and the number of Sezary cell in peripheral blood >5% |
|
Population at risk of HIV infection:
|
homo-, bisexual males, intravenous drug users, patients who
are in need of transfusion frequently, promiscuous heterosexual males and females |
|
Spreading of HIV infection:
|
this virus spreads with infected cells in body fluids (blood,
semen, gutfluid, vaginal fluid), body fluids which contain few lymphocytes, like saliva and tear are less likely to infect |
|
Latency period of AIDS:
|
1.5-12 ys (average 4.5 ys) from the primary infection
|
|
Target cells of HIV:
|
CD4+ lymphocytes
|
|
Beginning of antibody-production in HIV-infected
patients: |
8-12 ws after the primary infection
|
|
Clinical symptoms in AIDS Releated Complex:
|
enlarged lymph nodes, at least in two regions outside of the
inguinal region, at least for 3 months; intermittent fever; over 10% body weight loss; intermittent or continuous diarrhea; increasing fatigue; nightly sweating; recurrent herpes, Candida infect |
|
Laboratory abnormalities in AIDS Related Complex:
|
anemia, neutropenia, decreased proportion of Thelper cells,
cutaneous anergy |
|
Most common tumours of patients with AIDS:
|
Kaposi's sarcoma, Non-Hodgkin-lymphoma, primary central
nervous system lymphoma |
|
Diagnosis of AIDS:
|
serological positivity (antibody, antigen, virus RNA) and
<200 CD4+ cells/μl and/or clinical symptoms of AIDS |
|
Therapy of AIDS:
|
HAART (highly active antiretroviral therapy): combination
of 2 nucleoside or nucleotide reverse transcriptase inhibitors + 1 protease inhibitor or 1 non-nucleoside reverse transcriptase inhibitor |
|
Characteristics of 1st degree burn:
|
superficial skin damage characterized by pain, erythema,
edema, heals without scar formation |
|
Characteristics of 2nd degree burn:
|
superficial or deep, characterized by erythema and
subepidermal blisters, which are easily ruptured, heals without or with scar |
|
Characteristics of 3rd degree burn:
|
the skin is damaged to the whole thickness, skin appendages
are destroyed, necrotic crust appears on the wound, heals with scar formation, indication for surgery (necrectomia, skin grafting) |
|
Therapy of severe burn:
|
interventions against shock: fluid resuscitation, stabilization
of cardiac status, pain relief; bathing, necrotomia if necessary; tetanus prophylaxis, antibiotic prophylaxis, gastric protection, fluid-, electrolyte- and proteinreplacement, transfusion if |
|
First aid for a combustion:
|
running tap water, gel with substantial cooling capacity if
available, desinfectant (povidone iodine, silver sulfadiazine, ±hyaluronic acid) |
|
Wallace's Rule of Nines in burn patients:
|
the total body surface area consists of 9% areas equal with
body regions (+1% perineum) |
|
Cells of the epidermis:
|
keratinocytes, melanocytes, Langerhans cells, Merkel cells
|
|
The epidermal layers:
|
stratum corneum, stratum lucidum (palm, sole), stratum
granulosum, stratum spinosum, stratum basale |
|
The most important epidermal part of the physicochemical barrier:
|
stratum corneum
|
|
Characteristics of Langerhans cells:
|
epidermal dendritic cells with antigen presenting function,
contain Birbeck-granules |
|
Definition of parakeratosis:
|
because of pathological keratinocyte differentiation
corneocytes contain nuclei |
|
Functions of the skin:
|
mechanical protection, perception of stimuli, thermoregulation, sun protection, chemical barrier function,
antimicrobial activity |
|
Definition of skin barrier function:
|
inhibition of water and electrolyte loss through the skin,
maintenance of the homeostasis of the body, protection against external harms |
|
Parts of skin immune system:
|
keratinocytes, Langerhans-cells, dermal dendritic cells and
macrophages, T- and B-lymphocytes, citokines, inflammatory mediators |
|
Definition of primary skin lesions:
|
first symptoms of a skin disease
|
|
Primary skin lesions:
|
macule, patch; infiltrative: papule, plaque, tuber, nodule;
exsudative: vesicle, bulla, pustule, urtica (wheal); tumour |
|
Secondary skin lesions:
|
squama (scale), erosion, excoriation, fissure, ulcer, fistula,
crust, cicatrix (scar), atrophy, lichenification |
|
Definition of papule:
|
cellular infiltrate in the papillary dermis, up to 1 cm
|
|
Definition of plaque:
|
cellular infiltrate in the papillary dermis, larger than 1cm
|
|
Definition of erythroderma:
|
the whole skin is red or brownishred, infiltrated, scaling; the
desquamation is lamellar in acute erythroderma, rather pityriasiform in chronic case |
|
Definition of decubitus:
|
ischemic necrosis on a site exposed to prolonged pressure
on an unconscious or disabled patient |
|
Definition of cream and ointment:
|
cream: oil in water (hydrophilic), nongreasy, moisturizing,
easy to remove by water, microbiologically instable; ointment: water in oil (hydrophobic), greasy, emollient, can not be removed by water, microbiologically stable |
|
Definition of paste:
|
powder in ointment
|
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Potency ranking of topical corticosteroids:
|
mild: hydrocortisone, prednisolon; moderately potent:
triamcinolon; potent: fluocinolon acetonide, mometason; superpotent: clobetasol |
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Side effects of topical corticosteroids:
|
atrophy, striae, impetigo, hypertrichosis, telangiectasia,
purpura, delayed wound healing |
|
Symptoms of arterial ulcer and atherosclerotic
vascular disease: |
sharp-edged necrotic ulcer; the limb is cold, the peripheral
pulse is not palpable, there is nail dystrophy; intermittent claudication |
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The anatomical and hemodinamical characteristics of
the lower limb venous system: |
1. perforant veins between the two venous systems
(superficial, deep); 2. the effect of gravity; 3. venous valves; 4. muscle pump, venous tone |
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Definition of primary varicosity:
|
dilation of veins due to congenital connective tissue
weakness; there is a consequent vein valve failure; can be compensated or decompensated |
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Stages of chronic venous insufficiency:
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I. corona phlebectatica paraplantaris, subfascial congestion,
edema; II. hyperpigmentation; stasis dermatitis, stasis purpura, lipodermatosclerosis, atrophie blanche; III. ulcus cruris |
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Reason of secondary varicosity:
|
deep vein thrombosis
|
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Main subjective complaints of chronic venous
insufficiency: |
feeling of "heavy legs", stretching, fatigue, paresthesia,
itching, night crural spasm, dull pain |
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Reasons of chronic venous insufficiency:
|
primary varicosity, postthrombotic syndrome, perforans
insufficiency |
|
Definition of superficial thrombophlebitis?
|
inflammation of the vein wall in the superficial venous
system |
|
The difference between superficial thrombophlebitis
and acute deep vein thrombosis related to patient mobilisation? |
patients suffering from thrombophlebitis should be
mobilised, while patients with deep vein thrombosis should not because of the risk of embolism |
|
Most common localization of chronic venous leg
ulcer: |
around the inner ankle and the site above, because
hydrostatic pressure is the highest and fascia is the thinnest here |
|
Characteristics of chronic venous leg ulcer:
|
the edge of the ulcer is stepped, the base is covered with
pellicle; scaly, reddish, excoriated dermatitis, hyper-, hypopigmentation, lipodermatosclerosis, irregular white scars, telangiectasias, dilated veins are common around the ulcer, pointing-out vei |
|
Key point in the therapy of chronic venous leg ulcer:
|
adequate application of elastic bandage or support hose
(edema control) |
|
Hereditary bullous skin disease:
|
epidermolysis bullosa
|
|
Most common skin symptoms in diabetes mellitus:
|
pruritus, infections, rubeosis diabeticorum, diabetic
dermopathy, necrobiosis lipoidica diabeticorum, diabetic foot, gangrena pedis diabeticorum, eruptive xanthomatosis, acanthosis nigricans benigna |
|
Metabolic disorders in association with
xanthomatosis: |
hyperlipoproteinemia, diabetes mellitus
|
|
The metabolic defect in the background of
porphyrias: |
hereditary or acquired enzymatic defects of hemebiosynthesis
|
|
Skin symptoms of porphyria cutanea tarda:
|
blisters on the sun exposed areas, skin fragility, erosions,
scars, milia, hyperpigmentation, hypertrichosis |