Search Results for: infundibulo-sebaceous-apocrine unit

Eccrine syringofibroadenoma (EFSA): a report of two cases

Eccrine syringofibroadenoma (EFSA): a report of two cases

…asia, characterized by hypodontia, hypotrichosis, nail dystrophy, palmoplantar keratoderma, and periocular and eyelid margin apocrine hidrocystoma. Clouston’s syndrome is autosomal dominant ectodermal dysplasia, characterized by dystrophic nails and…

Differential Diagnosis in Dermatopathology

Images

Apocrine (clear-cell) hidradenoma Eccrine (poroid) hidradenoma…

Differential Diagnosis in Dermatopathology

Images

Apocrine mixed tumor Eccrine mixed tumor…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Apocrine (clear-cell) hidradenoma Eccrine (poroid) hidradenoma 1. Connects to infundibula often 1. No connection to infundibula; merges with surface epidermis rarely 2. Glandular structures usually 2. Ductal structures usually 3….

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…r cytoplasm sometimes present in loci 10. No epithelial cells with pale or clear cytoplasm 11. Infundibular, follicular, and sebaceous differentiation sometimes 11. No infundibular, follicular, or sebaceous differentiation 12. Stroma does not…

Prediction without Pigment: a decision algorithm for non-pigmented skin malignancy

Prediction without Pigment: a decision algorithm for non-pigmented skin malignancy

…red to as a starburst vessel pattern in the reference cited [16] (Figure 2F – SCC) and BCC with ulceration, as well as sebaceous gland hyperplasia (additional clue: several white or yellow clods in central location) and molluscum contagiosum…

Appearances may be deceiving

Appearances may be deceiving

The patient A 64-year-old white female presented with an asymptomatic brown-to-black nodular lesion located on her back in proximity (about 1.7 cm) to a surgical scar; indeed, the patient had developed a melanoma in situ on her back in 2010. She…

Differential Diagnosis in Dermatopathology

Discussions

…annulare, in contrast with the palisaded pattern of that condition, deposits of mucin are less abundant and histiocytes per unit area of dermis are fewer. Not uncommonly, both patterns are encountered together in the same section of tissue. Those…