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173 Cards in this Set
- Front
- Back
Orthokeratinized where? |
(Thick - no nuclei) |
|
Parakeratinized |
(Thick - flattening nuclei) (only keratin in the oral cavity) Gingiva Alveolar mucosa Dorsal Tongue |
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Nonkeratinized (thick) |
(thick) Buccal Mucosa Buccal vestibule Labial mucosa Labial Vestibule |
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Nonkeratinized (thin) |
(thin) Floor of the mouth Ventral tongue Lateral tongue Soft Palate Gingival sulcus |
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Hyperplasia
|
thickened from extra numbers of cells |
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Acanthosis
|
thickened from excess spinous layer |
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Pseudoepitheliomatous hyperplasia |
benign, strong proliferation that looks like it’s invading, i.e. “fake cancer” appearance |
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Acantholysis |
blister formation within epithelium, e.g. pemphigus |
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Dysplasia |
atypical, cancer-like cells |
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Dyskeratosis |
premature keratin formation, i.e. epithelial pearls – sing of precancerous region. |
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Spongiosis |
degenerative shrinkage of epithelial cells, leaving open spaces between them |
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Bullous |
blister formation |
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Verruciform |
long, pointed chevron-like surface projections |
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Hypoplasia |
thinned from decreased number of cell layers |
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Intracellular edema |
enlarged cells with clear, pale cytosol |
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Atrophy |
thinned from decreased size of each cell |
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Exuberant scar tissue May develop from pyogenic granuloma may be pigmented (Reactive melanosis of epithelium) Maybe: frictional keratosis
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Irritation Fibroma |
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Most common soft tissue mass (3rd mucosal lesion)
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Irritation Fibroma |
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Irritation Fibroma treatment |
full size 6 months does not go away conservative excision |
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Irritation Fibroma histology |
pink - excessive connective tissue Epithelium often atrophic
|
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Grows under denture, flat, 6th most common mucosal lesion |
Leaf-Shaped Fibroma |
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Not related to trauma, but looks like one. |
Giant Cell Fibroma |
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Large, stellate (star shaped), subepithelial fibroblasts |
Giant Cell Fibroma
|
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Retrocuspid Papilla location, what cells? |
In children,behind MN cuspids, Same giant fibroblasts as giant cell fibroma |
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repeating trauma from denture flange 11th most common oral lesion |
Epulis Fissuratum |
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papillary hyperplasia along edges inflammatory papillary hyperplasia pseudoepitheliomatous hyperplasia Can look like: Squamous cell carcinoma |
Epulis Fissuratum |
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which diseases have pseudoepitheliomatous hyperplasia and look like squamous cell carcinoma on histo |
Epulis Fissuratum & Inflammatory Papillary Hyperplasia |
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hard palate, denture, continues indefinitely, dual treatment |
Inflammatory Papillary Hyperplasia |
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2/3 -3/4 on gingiva Young adults 2:1 F loose MYXOMATOUS connective tissue |
Oral Focal Mucinosis
|
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Pyogenic Granuloma location? pus? is it granuloma? |
Gingiva (75%) Not an infection, no pus but called “pyogenic” Not granuloma |
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Lobular (locular) capillary hemangioma (another name) |
Pyogenic Granuloma
|
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When touch bleed easily, fragile |
Pyogenic Granuloma
|
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Pyogenic Granuloma Special Variants |
Pregnancy tumor - poor oral hygiene Epulis granulomatosum - extraction socket Parulis (gum boil) - dental fistla (can have pus) |
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more acute inflammatory products
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Neutrophils
|
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chronic inflammatory products
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Lymphocytes
|
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Peripheral Ossifying Fibroma, comes from where |
From periodontal fibers |
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only in Gingival papilla |
Peripheral Ossifying Fibroma |
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Maybe cementoid globules Few cementoblasts Almost no cementocytes |
Peripheral Ossifying Fibroma |
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May show radiopacities may spread teeth apart may occure in edentulous |
Peripheral Ossifying Fibroma |
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Peripheral Ossifying Fibroma treatment |
Conservative surgical excision With curettage of base 15% recurrance |
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Gingiva only (alveolar mucosa) in older |
Peripheral Giant Cell Granuloma |
|
Multinucleated giant cells Extravasated erythrocytes |
Peripheral Giant Cell Granuloma
|
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Saucerization (cup out underlying bone)
|
Peripheral Giant Cell Granuloma |
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Peripheral Giant Cell Granuloma in socket called |
epulis granulomatosum |
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Peripheral Giant Cell Granuloma if large or multiple recurring |
brown tumor of hyperparathyroidism |
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Peripheral Giant Cell Granuloma treatment |
Conservative surgical excision 10% recur |
|
Most common soft tissue tumor in the body, but uncommon in mouth |
Lipoma |
|
Sessile, yellowish mass Very soft, encapsulated |
Lipoma
|
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Benign neoplasm of fat cells, buccal location |
Lipoma
|
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Reactive proliferation of neural tissue -- After nerve injury |
Traumatic Neuroma |
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Mental foramen location |
Traumatic Neuroma
|
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streaming fascicles of spindle Schwann cells forming Verocay bodies (line against line) |
Schwannoma |
|
most common peripheral nerve tumor |
Neurofibroma |
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Benign neoplasm of Schwann cells -- & perineural fibroblasts |
Neurofibroma
|
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spindle-shaped cells (C shape nuclei) |
Neurofibroma |
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NF1 gene on chromosome 17 |
Neurofibromatosis |
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Neurofibromatosis prevelance in oral % |
oral lesions 75% |
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Café au lait spots (2 diseases) |
Neurofibromatosis & Jaffe-Lichtenstein syndrome McCune-Albright syndrome |
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Lisch nodules (brown spots on iris) |
Neurofibromatosis |
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Neurofibromatosis, chance of malignant development |
5-10% chance of malignant development |
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Neurofibrosarcoma, survival |
5 year survival 50% malignant preipheral nerve dysplastic spindle cells |
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HPV types 6 and 11 |
Squamous Papilloma |
|
HPV # cause cancer and # that do not |
16 and 18 cause cancer6 and 11 do not |
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HPV type 2, 4, 6, 40
|
Verruca Vulgaris |
|
Squamous Papilloma HPV types |
6 and 11
|
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Verruca Vulgaris HPV types |
2, 4, 6, 40
|
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Verruca Vulgaris treatment
|
topical salicylic acid, lactic acidexcision for atypical only
|
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Condyloma Acuminatum HPV types |
HPV types 2, 6, 11, 53 & 54
|
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HPV types 2, 6, 11, 53 & 54STD
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Condyloma Acuminatum
|
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Condyloma Acuminatum treatment
|
surgical NO LASER (airborn spread) |
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HPV 13 & 32 |
Multifocal Epithelial Hyperplasia; Heck’s Disease |
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Multifocal Epithelial Hyperplasia; Heck’s Disease
|
HPV 13 & 32
|
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Heck’s Disease treatment
|
Spontaneous regression reportedaesthetic excision
|
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Pox virus |
Molluscum Conatgiosum |
|
Sharing clothes, wrestlers, communal bathing
|
Molluscum Conatgiosum |
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Molluscum Conatgiosum treatment
|
spontaneous remission
|
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Last on Diagnosis, older males
|
Warty Dyskeratoma |
|
sun exposed. "stuck on" look |
Seborrheic Keratosis |
|
Not dependent on sun exposure vermilion lip, soft palate 2:1 Males |
Oral Melanotic Macule |
|
Black female, buccal, rapid increase in size |
Oral Melanoacanthoma |
|
Male 70%, older, most common oral lesion |
Leukoplakia |
|
Leukoplakia, most common location, % of oral floor dysplastic |
70% vermilion border 90% of oral floor dysplastic or cancer |
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Leukoplakia top 3 differentials
|
1. Hyperkeratosis2. Dysplasia3. Squamous Cell CA
|
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Leukoplakia treatment
|
1. check if wipes off 2. remove etiology 3. 2 weeks check and biopsy if left |
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dysplasia, histo |
multinucleiation Very large nuclei |
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mild dysplasia treatment |
stop habitclose followup
|
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Moderate and severe dysplasia treatment |
remove remaining lesion and follow up
|
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Red patch that cannot be clinically or pathologically diagnosed as any other condition |
Erythroplakia |
|
Almost All erythroplakias demonstrate |
significant epithelial dysplasia, carcinoma in situ, or invasive squamous cell carcinoma |
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erythroplakias is ___ in 90% |
severe dysplasia
|
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erythroplakia location (3) |
Floor of mouth tongue soft palate |
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Benign neoplasm of osteoblasts Bone production |
Osteoblastoma |
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Pain not relieved by aspirin |
Osteoblastoma |
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Immature (woven bone) NOT ATTACHED TO ROOT |
Osteoblastoma
|
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Osteoblastic rimming of bone Osteoblasts scattered throughout the background fibrous stroma |
Osteoblastoma
|
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center has plexus of nerves Osteoblastic rimming of bone (sim to osteoblastoma) Osteoblasts scattered throughout the background fibrous stroma |
osteoid osteoma |
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caused by cumulative UV, 10% transform to SCCA 50% white adults |
Actinic Keratosis |
|
A plaque on the skin of the face with a rough, sandpaper-like surface |
Actinic Keratosis |
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premalignant alteration of the lower lip vermilion 10:1 Males |
Actinic Cheilosis |
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Benign epithelial neoplasm that primarily occurs on sun-exposed skin |
Keratoacanthoma |
|
“Self Healing Cancer” |
Keratoacanthoma
|
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genodermatosis (inherited genetic skin conditions)Autosomal dominant (AD) |
White Sponge Nevus & HBID |
|
White Sponge Nevus defect in what |
Defect in keratin formation -- Keratin 4 (spinous layer) -- Keratin 13 (spinous layer) |
|
Intracellular edema Perinuclear condensation |
White Sponge Nevus |
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White Sponge Nevus treatment |
no treatment needed
|
|
Looks like Hereditary Benign Intraepithelial Dyskeratotsis (HBID |
White Sponge Nevus |
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eye involvment - plaque |
HBID; Witkop-von Sallmann Syndrome |
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Buccal mucosae, bilaterally |
White Sponge Nevus & HBID |
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Autoimmune attack (T-cells) -- Against basement membrane |
Lichen Planus (LP) |
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Association with hepatitis C |
Lichen Planus (LP)
|
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Wickham’s striae
|
Lichen Planus (LP)
|
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Most common form of oral LP, bilateral
|
Reticular Lichen Planus (LP) |
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Lichen Planus (LP) treatment
|
erosive - topical reduce stress antifungal monitor |
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Clinical similarity to erosive LP |
Graft versus host disease (GVHD) |
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Ulcers are generally surrounded by patchy zones of erythema and streaky keratosis that somewhat resemble lichen planus |
Chronic Ulcerative Stomatitis |
|
Clinical similarity to ELP |
Chronic Ulcerative Stomatitis |
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The most frequently mutated gene in human oral cancer is
|
the p53 tumor suppressor gene |
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Betel/Areca nut |
greater risk of cancer |
|
HPV SCC originating mostly in what tissue |
50% originating in the oropharynx
|
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90% of cervical cancers are related to
|
HPV
|
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Oral cancer statisticsM:F%, age AA vs White |
75% in males6th most common cancer in malesAfricanA middle ageWhite older age
|
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Most likely place for oral cancer
|
LOWER LIP, lateral/ventral borders of the tongue, Anterior floor of the mouth, tonsillar pillars, and lateral soft palate |
|
Squamous Cell Carcinoma (SCCA) gender and age |
M>65
|
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Squamous Cell Carcinoma (SCCA) treatment |
Wide (radical) surgical excision, radiation therapy, or a combination |
|
Verrucous Carcinoma gender and age habit |
M > 55 where chewing tobacco |
|
Verrucous Carcinoma histologic changes 4 steps |
hyperkeratosis -> Verrucous keratosis -> verrucous carcinoma -> squamous cell carcinoma |
|
Snuff dipper’s cancer |
Verrucous Carcinoma |
|
Most common skin cancer, most common of all cancers |
Basal Cell Carcinoma |
|
focal ulceration, 80% head and neck, vermillion of the lip
|
Basal Cell Carcinoma
|
|
3rd most common cancer |
Melanoma |
|
Malignancy of melanocytes |
Melanoma |
|
ABCDE of what disease and what is it |
Melanoma Asymmetry, Border irregularity, Color variegation, Diameter greater than 6 mm, Evolving |
|
Central Ossifying Fibroma location |
MN molar/premolar |
|
Central Ossifying Fibroma etiology |
benign neoplasm of osteoblasts or cementoblasts |
|
Central Ossifying Fibroma capsul/rim?, push teeth? |
Encapsulated/rim yes, Unilocular, push roots aside or resorb roots |
|
Two types of calcified tissue in Central Ossifying Fibroma |
Psammomatoid type (more common), Trabecular type |
|
Hyperparathyroidism-jaw tumor syndrome (4) |
-- Parathyroid adenoma/carcinoma -- Central ossifying fibroma -- Renal cysts -- Wilms’ tumor (kidney) |
|
Juvenile Aggressive Ossifying Fibroma two types |
trabecular/psammomatoid |
|
Ewing’s Sarcoma |
White young males, MN post |
|
Metastasis to the Jaws from where |
Usually from: -- Breast -- Prostate -- Colon -- Lung |
|
3 malignant bone tumors
|
Osteosarcoma, Chondrosarcoma, Ewing sarcoma |
|
Cell of Origin osteocyte (bone tumor) |
Osteoma |
|
Cell of Origin endothelial cell (bone tumor) |
Hemangioma, Intraosseous |
|
Cell of Origin Primitive neuroectodermal cell, (bone tumor)
|
Ewing sarcoma
|
|
F>>M, middle aged, third molars and retromolar areas
|
Focal Osteoporotic Marrow Defect
|
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Focal Osteoporotic Marrow Defect treatment |
None, unless painful
|
|
Idiopathic Osteosclerosis location |
MN 1st molar/premolar |
|
Idiopathic Osteosclerosis capsul |
Not encapsulated
|
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Idiopathic Osteosclerosis treatment |
Not needed, remains indefinitely
|
|
Bone slowly “dissolves"
|
Massive Osteolysis (Vanishing Bone Disease) |
|
Massive Osteolysis treatment |
none is effective (ususally curettage tried)
|
|
F<30, MN anterior |
Central Giant Cell Granuloma |
|
May expand or perforate cortex, resorb roots, push teeth, thin rim
|
Central Giant Cell Granuloma |
|
Central Giant Cell Granuloma treatment |
Surgical curettage, Corticosteroid injections, Calcitonin injections
|
|
Brown Tumor |
Hyperparathyroidism |
|
Defective gene on chromosome 16, bilateral |
Cherubism |
|
Eosinophilic cuffing
|
Cherubism
|
|
Enlarges until puberty, then “burns out”
|
Cherubism
|
|
May develop central giant cell granuloma
|
Cherubism
|
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Abnormal bone = immature, fibrosis of marrow spaces Postzygotic mutation of GNAS 1 gene Just in one bone |
Fibrous Dysplasia of Bone |
|
Ground-glass radiopacity
|
Fibrous Dysplasia of Bone |
|
Fibrous Dysplasia of Bone treatment |
“burns out” with adulthood, surgical recontouring |
|
Monostotic fibrous dysplasia, differentiate from another |
One bone involved -- 85% of cases |
|
Polyostotic fibrous dysplasia, differentiate from another |
Multiple bones involved -- Jaffe-Lichtenstein syndrome -- McCune-Albright syndrom |
|
Hockey stick deformity of hip Café au lait spots Hyperthyroidism |
McCune-Albright syndrome |
|
Actually empty cavity (Hollow marrow space) M <25 |
Traumatic Bone Cyst |
|
scalloped between roots (xray)
|
Traumatic Bone Cyst |
|
Traumatic Bone Cyst treatment |
curretage, hemorrhage, new bone 6 months
|
|
Benign neoplasm of bone
|
Osteoma |
|
Multiple osteomas of flat bones (face) |
Gardner Syndrome |
|
Adenomatous intestinal polyposis -- Risk of adenocarcinoma |
Gardner Syndrome
|
|
Epidermoid cysts of skin Desmoid tumors of skin |
Gardner Syndrome |
|
Night pain relieved by aspirin |
Osteoid Osteoma |