Skin And Lymph Nodes Differential Diagnosis

Front 1

This lesion is asymptomatic and present x 8 yrs. The lesion in question is flat and differs from the surrounding skin only by lack of melanocytes.

Back 1

Vitiligo (autoimmune)

Front 2

A 24 yr old construction worker complains of “white spots” only on the chest and back x 1 year. The patient is asymptomatic and only notes the “rash” in the summer.

Back 2

Tinea versicolor (fungus)

Front 3

type of vascular lesion: diameter is < 0.5 cm

Back 3

Petchia

Front 4

type of vascular lesion: bleeding into the skin from trauma

Back 4

ecchymosis

Front 5

found with infection such as cellulitis, and is due to type of vascular lesion: capillary vasodilation and will blanche with pressure and would be warm and tender to palpation

Back 5

erythema

Front 6

type of vascular lesion: does not blanche

Back 6

purpura

Front 7

A 29 yr old man presents with a 6 yr history of lesions on both knees anteriorly. Scaly, erythematous well-defined plaques

Back 7

psoriasis

Front 8

define psoriasis. what parts?

Back 8

hyperproliferation of epidermal cells, with an accelerated migration time of 5 days, and characteristically forms a scaly plaque over the flexural surfaces of joints such as the knee. and SCALP

Front 9

This 26 yr old male complains of facial and scalp pruritus x 1 year, and worse in the winter. Exam shows erythematous scaly plaques at the naso-labial folds, eyebrows and scalp

Back 9

Seborrheic dermatitis

Front 10

A 69 yr old female has noted gradual enlargement of this asymptomatic lesion on the right face over 8 yrs. ellow-brown lesions are benign, found commonly in the elderly on the face and trunk, have a “stuck on” wart-like (fissured) appearance. elevated.

Back 10

Seborrheic keratosis

Front 11

A 67 yr old female has noted these asymptomatic lesions on the hands and arms for yrs. irregular border and variable pigment.

Back 11

Melenoma

Front 12

scaly papules/plaques are found in sun exposed areas

Back 12

actinic keratoses

Front 13

A 48 yr old male presents with pruitic purplish and scaly plaques and papules on both lower legs for 1 year.

Back 13

lichen planus

Front 14

A 71 year old notes this lesion on the face, slowly enlarging x 8 months. The lesion is a 2 cm “pearl” colored nodule with a central ulceration. usually photosensitive.

Back 14

basal cell carcinoma

Front 15

A 71 year old notes this lesion on the face, slowly enlarging x 1 months. The lesion is a 2 cm “pearl” colored nodule with a central ulceration.

Back 15

keratocanthoma

Front 16

A 67 yr old male noted this enlarging nodule x 8 months. sun-related neoplasm of keratinocytes, and often presents as a firm nodule which can be scaly and crusty.

Back 16

Squamous cell carcinoma

Front 17

2 dogs, developed this rash after going barefooted in his yard.

Back 17

hookworm

Front 18

Target lesions

Back 18

ERYTHEMA MULTIFORME

Front 19

A 25 yr old man has noted these progressively enlarging lesions on the hands for 1 year. Rough surface. What is the primary lesion and diagnosis?

Back 19

warts, HPV virus

Front 20

A 56 yr old male presents with this slowly enlarging lesion on the dorsal wrist x 1 year, with slight pain on movement of the fingers. What is the name of this lesion if it moves with the tendon, is soft and 3 cm in diameter and transilluminates

Back 20

cyst

Front 21

A 67 yr old diabetic patient has a 4 day history of mild discomfort and redness of the right foot. The area of redness is enlarging. The redness blanches with palpation, the skin is warm to touch and tender to palpation.

Back 21

cellulitis

Front 22

This patient presents with severe pain in the fingernail shown x 1 day. The erythematous plaque (arrow) blanches and is warm and tender to palpation.

Back 22

Paronychia

Front 23

Nail pitting

Back 23

psoriasis

Front 24

Marked hyperkeratosis of nails is characteristic of what infectious disease?

Back 24

dermatophyte (fungal) infection onychomycosis

Front 25

This 31 yr old healthy male presents with sudden focal hair loss over 1 month

Back 25

Alopecia arreta

Front 26

slow hair loss

Back 26

androgenic baldness

Front 27

stress related hair loss

Back 27

Telogen effluvium

Front 28

According to the mother, the boy’s rash started 4 days ago as reddish pustules below his nose. The rash is pruitic and has spread around his mouth and chin. His sister’s rash started about a day ago as reddish pustules around the mouth.

Back 28

impetigo

Front 29

nose and mouth, hands, and forearms. children.pustules (sometimes vesicles or bullae) which eventually rupture, leaving small wet patches of red skin that may weep fluid and form a honey crust and extends to the epidermis

Back 29

impetigo

Front 30

A 55 yr old male presents with a 2 year history of redness and “bumps” on his nose. Physical exam shows redness of the nose and cheeks, facial telangectasia along with elevated lesions < 1 cm in diameter.

Back 30

rosacea

Front 31

on the mucous membranes of the mouth only, ulcer

Back 31

Aphtous stomatitis

Front 32

child with vesicles on mouth, fever and URI

Back 32

herpangina

Front 33

7 month old baby with large confluent plaques that are beefy red. satellite lesions, ill defined border.

Back 33

candidiasis

Front 34

7 month old baby actively defined border without satellit lesions

Back 34

tunica cruris

Front 35

Dozens of lesions randomly distributed across chest and abdomen. Each lesion is bright red. They are firm to palpation and blanche, have a grooved surface and are < 1 cm in diameter.

Back 35

cherry angiomas

Front 36

multiple fluid-filled lesions on hands and forearms, along with scarring. photosensitive bullae

Back 36

Porphyria cutanea tarda

Front 37

R anterior tibia---- 1.5 cm firm, tan-pinkish in color, non-tender well demarcated lesion. It dimples with lateral pressure.

Back 37

dermatofibroma