Mark A. Cappel

All articles by Mark A. Cappel

Palisaded Encapsulated Neuroma (Neuroma [PEN and traumatic], Solitary Circumscribed Neuroma, and Traumatic Neuroma (Amputation Neuroma)

Are You Confident of the Diagnosis? Neuromas are proliferations of the basic units of peripheral nerves, axons and their surrounding Schwann cells, in roughly equal ratios. There are two major subtypes: palisaded encapsulated neuroma (PEN) also known as solitary circumscribed neuroma, characterized by hamartomatous proliferations of nerve fibers without previous trauma; and traumatic neuroma, also…

Intertrigo (Intertrigo Candidiasis)

Are You Confident of the Diagnosis? Intertrigo is inflammation of the skin localized to the axillary, inguinal, and/or inframammary skin folds (intertriginous regions). The etiology and differential diagnosis for a rash at these sites is broad and can be seen in many cutaneous diseases. This term can be used to describe both inflammatory dermatoses and…

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