Basicmedical Key

Metastatic Tumors to the Skin Christine J. Ko, MD David Cassarino, MD, PhD Key Facts Clinical Issues Cutaneous metastases often located near primary tumor site Incidence rate of ˜ 2-10%…

Fibroepithelial Polyps (Acrochordons) Elsa F. Velazquez, MD Key Facts Terminology Skin tag, soft fibroma Clinical Issues Very common lesions Usually affect adults > 50 years old Single or multiple Neck,…

Metastatic Skin Tumors Christine J. Ko, MD David Cassarino, MD, PhD Key Facts Clinical Issues Melanoma Nodule, often pigmented, may be ulcerated, multiple or solitary Nodal metastases; most commonly in…

Malignant Mixed Tumor Senait W. Dyson, MD David Cassarino, MD, PhD Key Facts Clinical Issues Slow-growing tumor on extremities and trunk Local recurrence; regional and distant metastasis Wide excision with…

Cutaneous Mixed Tumor (Chondroid Syringoma) Senait W. Dyson, MD David Cassarino, MD, PhD Key Facts Terminology Well-circumscribed benign epithelial tumor in chondromyxoid matrix Clinical Issues Head and neck Skin-colored, asymptomatic,…

Microcystic Adnexal Carcinoma David Cassarino, MD, PhD Key Facts Terminology Microcystic adnexal carcinoma (MAC) Synonyms: Sclerosing sweat duct carcinoma, syringoid carcinoma Low-grade malignant adnexal tumor with follicular and ductal differentiation…

Squamoid “Eccrine” Ductal Carcinoma David Cassarino, MD, PhD Key Facts Terminology Squamoid “eccrine” ductal carcinoma (SEDC) Rare carcinoma with ductal and squamous features Clinical Issues Aggressive local recurrences, but no…

Eccrine Carcinoma Steven D. Billings, MD Key Facts Clinical Issues Typically present as plaque on scalp Locally aggressive Microscopic Pathology Infiltrative growth pattern, often with perineural invasion Tumor composed of…

Syringofibroadenoma Senait W. Dyson, MD Key Facts Clinical Issues Commonly on an extremity More common in women Usually solitary, hyperkeratotic plaque Multiple lesions might be associated with rare syndromes Microscopic…

Syringoma Senait W. Dyson, MD David Cassarino, MD, PhD Key Facts Terminology Benign ductal proliferation in superficial dermis Clinical Issues Predilection for eyelids Often multiple, small, skin-colored to translucent papules…