Search Results for: infundibulo-sebaceous-apocrine unit

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….

Isolated pink papule on the chest

Isolated pink papule on the chest

…Ansai SI, Fukumoto T, Anan T, Kimura T. Clinicopathological analysis of 384 cases of poroid neoplasms including 98 cases of apocrine type cases. J Dermatol. May 14 2016. [Epub ahead of print] PubMed CrossRef 2. Bolognia J, Jorizzo JL, Schaffer JV….

Differential Diagnosis in Dermatopathology

Images

Apocrine mixed tumor Eccrine mixed tumor…

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…

Dermoscopy of alopecia areata—a retrospective analysis

Dermoscopy of alopecia areata—a retrospective analysis

…m each follicle—a sign of hair regrowth. Figure 8. White peripilar sign seen in patients on treatment with two to three hair unit emerging from each follicle a sign of hair regrowth. [Copyright: ©2017 Jha et al.] Discussion A study done by Inui et…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

…pidermis and, sometimes, between the dermis and epithelial structures of adnexa Necrotic keratinocytes scattered as solitary units within the epidermis Slight spongiosis Focal parakeratosis Fully developed Superficial and deep perivascular…

Extensive regression in pigmented skin lesions: a dangerous confounding feature

Extensive regression in pigmented skin lesions: a dangerous confounding feature

Abstract Spontaneous regression in melanomas is not an uncommon phenomenon, as it has been described in 10-35% of primary cutaneous lesions [1]. Regression does not appear to predict a more favorable course, since even fully regressed melanomas may…

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…

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…