Dermpath Diagnosis
Dermpath Diagnosis
Trichilemmoma
Trichilemmomas are benign follicular neoplasms that exhibit differentiation toward the outer root sheath of the pilosebaceous follicular...
Dermpath Diagnosis
Rosai-Dorfman Disease
Rosai-Dorfman disease, also known as sinus histiocytosis with massive lymphade-nopathy, is a rare benign histioproliferative disorder of unknown...
Dermpath Diagnosis
Extramammary Paget Disease
Extramammary Paget disease (EMPD) is an uncommon condition that usually presents in apocrine sweat gland–rich areas, most commonly the vulva...
Dermpath Diagnosis
Necrobiosis Lipoidica Diabeticorum
Necrobiosis lipoidica diabeticorum (NLD) is a rare granulomatous skin manifestation that is strongly associated with diabetes mellitus....
Dermpath Diagnosis
Trichoepithelioma and Spiradenoma Collision Tumor
The coexistence of more than one cutaneous adnexal neoplasm in a single biopsy specimen is unusual and is most frequently recognized in the...
Dermpath Diagnosis
Onchocerciasis
The larvae of Onchocerca volvulus, a nematode that is most commonly found in tropical Africa, Yemen, Central America, and South America, are...
Dermpath Diagnosis
Pseudoglandular Squamous Cell Carcinoma
Squamous cell carcinoma (SCC) is the second most common form of skin cancer. Pseudoglandular SCC presents most often on sun-damaged skin of...
Dermpath Diagnosis
Localized Argyria With Pseudo-ochronosis
Localized cutaneous argyria often presents as asymptomatic black or blue-gray pigmented macules in areas of the skin exposed to silver-containing...
Dermpath Diagnosis
Granular Cell Tumor
Granular cell tumors (GCTs) tend to present as solitary nodules, not uncommonly affecting the dorsum of the tongue but also involving the skin,...
Dermpath Diagnosis
Clear Cell Fibrous Papule
A fibrous papule is a common benign lesion that usually presents in adults on the face, especially on the lower portion of the nose.
Dermpath Diagnosis
Lipidized Dermatofibroma
Lipidized dermatofibromas most commonly are found on the ankles, which has led some authors to refer to these lesions as ankle-type fibrous...