Dermpath Diagnosis
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...
Dermpath Diagnosis
Subcutaneous Panniculitislike T-Cell Lymphoma
Subcutaneous panniculitislike T-cell lymphoma is a cutaneous lymphoma of α and β phenotype cytotoxic T cells in which the neoplastic cells are...
Dermpath Diagnosis
Pretibial Myxedema
Pretibial myxedema is a cutaneous mucinosis associated with thyroid dysfunction. The differential diagnosis includes nephrogenic systemic fibrosis...
Dermpath Diagnosis
Hailey-Hailey Disease
Hailey-Hailey disease typically presents as suprabasal blisters with a perivascular and interstitial lymphocytic infiltrate. The differential...
Dermpath Diagnosis
Giant Cell Tumor of Soft Tissue
Giant cell tumors of soft tissue present as multilobulated masses in the skin or subcutaneous tissue, most commonly appearing on the trunk, upper...