Dermatology Practical & Conceptual

Dermatoscopic pattern of a spiradenoma

Case report Dermatoscopic features of spiradenoma-a benign adnexal neoplasm-have not been described. We present a case of spiradenoma occurring on the occipital scalp (Figure 1A, 1B) that showed a structureless pattern and blue clods on dermatoscopy…

Therapeutic Strategies in Dermatology

Chondrodermatitis Nodularis Helicis: Key Points

Key Points Chondrodermatitis nodularis helicis (CNH) is an uncommon, strikingly painful lesion on the helix or antihelix of the ear, which often appears as a crusted ulceration mimicking a cutaneous malignancy. Diagnosis may be made by clinical exa…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

Classification of Skin Appendage Tumors Eccrine Differentiation Eccrine nevus Eccrine duct proliferation Eccrine-centered nevus Eccrine angiomatous hamartoma Syringofibroadenoma or acrosyringeal nevus Comedo nevus of the palm, linear eccrine nevu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…J Dermatopathol 1996 Feb;18(1):1-9. “Malignant eccrine spiradenoma (MES) is an exceedingly rare neoplasm of cutaneous adnexal origin.” Lee HH, Lee KG. Malignant eccrine spiradenoma with florid squamous differentiation. J Korean Med Sci…

Dermatology Practical & Conceptual

Dermatoscopy: What is your diagnosis?

Quiz A 30-year-old male patient presented with a small, brown papule on the calf (Figure 1). By dermatoscopy one can see radial lines in some segments at the periphery and skin-colored and pink structureless zones (Figure 2). What is your diagnosis?…

Dermatology Practical & Conceptual

Dermoscopic findings in a patient with multiple piloleiomyomas

Abstract Piloleiomyoma can manifest itself as a pigmented lesion and part of the differential diagnosis with other pigmented skin lesions. However, we are not aware of previous descriptions in the literature of the dermoscopic features of piloleiomy…