Differential Diagnosis in Dermatopathology

Metastatic carcinoma from a breast vs. Morpheiform basal-cell carcinoma

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary lesio…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

…, 1991; Third Series, Fascicle 1:126-127. The development of basal cell carcinoma within a naevus sebaceous of Jadassohn (NSJ) has commonly been reported. Ball EA, Hussain M, Moss AL. Squamous-cell carcinoma and basal-cell carcinoma arising in a na…

Dermatology Practical & Conceptual

Saved by step sections: an unusual presentation of basal cell carcinoma

…cal hypothesis. Patient: 21-year-old female with a superficial basal cell carcinoma in pubic region diagnosed after histological step sections and treated with topical imiquimod. Conclusions: Although very rare, basal cell carcinomas do occur in youn…

Differential Diagnosis in Dermatopathology

Trichoepithelioma vs. Infundibulocystic basal-cell carcinoma

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary lesio…

Clinical Case Studies

Rhinophyma with Basal Cell Carcinoma

…phology. A review of the literature reveals 15 to 30% rates of carcinoma in the setting of rhinophyma.1-2 HISTOLOGY A cutaneous shave biopsy of the right nasal dorsum lesion was performed and was consistent with occult basal cell carcinoma in a setti…

A Clinical Atlas of 101 Common Skin Diseases

Extramammary Paget’s Disease and Mammary Paget’s Disease

Extramammary Paget’s disease is an apocrine carcinoma that begins within the epidermis and presents itself clinically as a patch or a subtle plaque that extends centrifugally for many years before becoming a readily discernible thick plaque, a…