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26 Cards in this Set
- Front
- Back
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Pilomatricoma
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large ball with trabeculae
Shadow cells Ca/bone |
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Multiple Pilomatricoma condition assoc with
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Myotonic dystrophy
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Trichoblastoma
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looks like BCC except no retraction
have stromal/stromal clefts concentric fibroblast rich stroma |
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Trichoepithelioma
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subtype of trichoblastoma
swiss cheese nodules papillary mesenchymal bodies prominent |
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Desmoplastic trichoepithelioma
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doughnut on young womans cheek
central dell Paisley tie pattern Ca, horn cysts |
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Paisley tie tumors
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desmoplastic trichoep
Microcystic adnexal carcinoma (firm plaque on upper lip, medial cheek or chin) Morpheaform BCC Syringoma (small papule lower lids) |
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Lymphadenoma (adamantinoid trichoblastoma)
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tumor islands with 1-2 layers of basaloid cells peripherally
centers of each island composed of clear cells/inflam cells |
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Fibrofolliculoma
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fibrous pink orb
basaloid strands with no hair fibers |
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syndrome assoc with multiple fibrofolliculomas, trichodiscomas, acrochordons
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Birt Hogg Dube
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Brooke Spiegler
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multiple trichoepitheliomas and cylindromas
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Rombo syndrome
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milia, hypotrichosis, trichoeps, BCC, atrophoderma, vasodilation with cyanosis
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Trichofolliculoma
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small hair follicles emptying into central large follicular infundibulum
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Trichoadenoma
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multiple red cheerios/eyeglasses
differentiates towards infundibulum |
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Basaloid follicular hamartoma
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looks same as infundibulocystic BCC histologically
benign sometimes segmental blaschkoid distribution |
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dilated pore of winer
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dilated follicular ifundibulum
small radiating red finger-like epithelial projections |
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pilar sheath acanthoma
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dilated pore of winer on steroids
acanthotic fingers |
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Trichilemmoma
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smooth lobules of clear glycogenated cells hanging down from epidermis
thick glassy basement membrane DDX: clear cell acanthoma |
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multiple trichilemmoma
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Cowden's
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Desmoplastic trichilemmoma
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smooth outline, but centrally broken jagged islands separated by dense pink stroma
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Postpubertal nevus sebaceus of Jadassohn
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broad, bald, bumpy and bubbly
no hair follicles, papillomatosis, apocrine glands |
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secondary tumors in nevus sebaceus
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syringocystadenoma papilliferum and small trichoblastomas
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prepubertal nevus sebaceus of Jadassohn
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broad, bald
primitive epithelial germs, resembling fetal hair germs present |
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sebaceous hyperplasia
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large cluster of sebaceous glands around a follicular opening
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Sebaceoma/sebaceous adenoma/sebaceous epithelioma
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basaloid cells and mature sebocytes in varying proportions
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syndrome assoc with sebaceous neoplams
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Muir-Torre syndrome
marker; loss of MSH-2 or MLH-1 |
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Sebaceous carcinoma
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foamy cells with sebaceous differentiation
buckshot pattern or nested common on eyelid |
