Search Results for: infundibulo-sebaceous-apocrine unit

Differential Diagnosis in Dermatopathology

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

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…

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

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Apocrine mixed tumor Eccrine mixed tumor…

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…