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

Origin of Adnexal Neoplasms?

“Thus one needs to bear in mind the information required of a pathologist about a particular tumour, which can be summarized as follows: 1. What is the origin of the tumour? 2. What is likely the behavior of the tumour? 3. What is the extent…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Study By Disease

…chen simplex chronicus of an oral mucous membrane) (Quiz #852) Leiomyoma (Quiz #114) Leiomyoma, hair erector type (Quiz #633) Leiomyosarcoma (Quiz #625) Lepromatous leprosy (Virchowian hanseniasis) (Quiz #826) Lepromatous leprosy (Virchowian hansenia…

Dermatology Practical & Conceptual

Glomangiosarcoma in the shoulder of a 51-year-old man

Abstract Glomangiosarcoma is a very rare type of soft tissue neoplasm. Here we report such a case in the shoulder of a 51-year-old man. Case report A 51-year-old white Hispanic man presented with a pruritic lesion on the back of his left shoulder. H…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

“. . . We conclude that dermatofibromas can very rarely metastasize. Risk factors for metastasis may include relatively large size, high cellularity, and local recurrence. It would appear that metastasizing dermatofibromas behave in an indol…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nuclear Atypia, Cytoplasmic Atypia, and Architectural Atypia?

“The cytologically atypical melanocytes have the same features as cytologically atypical cells in any neoplastic system. Such cells are larger than normal melanocytes or the intraepidermal melanocytes of an ordinary melanocytic nevus.”…

Dermatology Practical & Conceptual

Dermoscopic findings in a patient with multiple piloleiomyomas

…tosis. [Copyright: ©2012 Paschoal et al.] Discussion Cutaneous leiomyomas are rare benign tumors arising from smooth muscle cells [1]. Cutaneous leiomyomas comprise approximately 5% of all leiomyomas. According to their site of origin they can be cla…