Pathology Outlines - Poroma
2021年12月23日 · Essential features. Single, slow growing, asymptomatic, well circumscribed, smooth, skin colored to red, slightly scaly papule or nodule. Most commonly on palms and sole or sides of the foot. Well circumscribed broad anastomosing bands of poroma cells with sharp demarcation from adjacent keratinocytes. Excellent prognosis with simple excision.
Pathology Outlines - Skin nonmelanocytic tumor
Nail tumors: normal nail grossing (pending) normal nail histology (pending) onychocytic carcinoma (pending) onychocytic matricoma (pending) onychomatricoma (pending) onychopapilloma (pending) subungual exostosis superficial acral fibromyxoma. Other tumors of skin: benign (mature) cystic teratoma Borst-Jadassohn phenomenon connective tissue ...
Pathology Outlines - Hidradenoma
2021年11月30日 · Has a biphasic cellular population: (1) round, fusiform, or polygonal cells with vesicular nuclei and eosinophilic cytoplasm and (2) cells with clear cytoplasm and often eccentrically located nuclei. Solid cystic hidradenoma (Arch Pathol Lab Med 2005;129:e113) Shows both solid and cystic components. Cysts probably represent cystic degeneration.
Pathology Outlines - Eccrine syringofibroadenoma
2023年10月11日 · Poroma and hidroacanthoma simplex: Shares eccrine histogenesis Lacks the reticular and corded architecture of ESFA Porocarcinoma: Lacks corded architecture Has malignant cytologic changes Tumor of the follicular infundibulum: Shares anastomosing strands but forms a plate-like structure in the dermis and lacks ductal structures
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2021年9月28日 · Skin tumor nonmelanocytic - Seborrheic keratosis is a common, benign keratinocyte proliferation of middle aged and elderly
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2023年9月5日 · Loss of YAP1 C terminus expression for detecting YAP1 fusion in porocarcinoma and poroma (J Cutan Pathol 2021;48:403) YAP1 break apart FISH probe for detecting YAP1 rearranged tumors, including: Epithelioid hemangioendothelioma (Genes Chrom Cancer 2013;52:775) Sclerosing epithelioid fibrosarcoma (Am J Surg Pathol 2020;44:368)
Pathology Outlines - Basal cell carcinoma
2023年10月13日 · Definition / general. Basal cell carcinoma (BCC) arises from the interfollicular or follicular epithelium. Most common malignant tumor type in humans. Local aggressive course. Low disease associated death rate; metastases to lung and bone exceptionally rare.
Pathology Outlines - Sweat gland carcinoma
2020年11月6日 · Also includes adenoid cystic carcinoma, apocrine carcinoma, malignant acrospiroma, malignant chondroid syringoma (malignant mixed tumor), malignant dermal cylindroma, malignant eccrine poroma (most common), malignant myoepithelioma, malignant syringoma (syringoid eccrine carcinoma), mucinous syringometaplasia
Pathology Outlines - Inverted follicular keratosis
2023年1月24日 · Inverted follicular keratosis is a benign tumor of the follicular infundibulum with characteristic presence of squamous eddies.
Pathology Outlines - Cylindroma
2023年1月23日 · Definition / general. Benign tumor with debated origin from eccrine sweat glands or hair follicles. Also called turban tumor, particularly when a large, multicentric scalp tumor. Familial form (turban tumor syndrome, Brooke-Spiegler syndrome) Autosomal dominant, multiple tumors of children / teenagers that may also involve trunk and extremities.