Dermatopathology
Case Letter
Nonepidemic Kaposi Sarcoma: A Case of a Rare Epidemiologic Subtype
Kaposi sarcoma (KS) is a rare angioproliferative disorder associated with human herpesvirus 8 (HHV-8) infection.1 There are 4 main...
Photo Challenge
Painful Retiform Purpura in a Peritoneal Dialysis Patient
A 72-year-old woman presented to the emergency department with concerns of confusion and lethargy during a session of peritoneal dialysis, which...
Dermoscopy Diagnosis
Noduloplaque on the Forehead
A 21-year-old man presented with a raised lesion on the forehead that had started as a single papule 16 years prior and gradually increased in...
Dermpath Diagnosis
Annular Erythematous Plaques on the Back
An 84-year-old man presented to the clinic for evaluation of a pruritic rash on the back of 6 months’ duration that spread to the neck and chest...
Practical Pearls
Punch Biopsy Extraction With Fingers
Punch biopsies are commonly used in dermatology for diagnosing skin diseases. The technique described here offers a cost-effective and efficient...
Photo Challenge
Ectatic Vessels on the Chest
A 32-year-old woman presented to vascular surgery for evaluation of spider veins of 2 years’ duration that originated on the breasts but later...
Dermpath Diagnosis
Pink Papules on the Cheek
A 31-year-old woman presented with a slow-growing, tender, pruritic lesion on the right cheek of 4 to 5 months’ duration. Shave and punch biopsies...
Practical Pearls
The Many Uses of the Humble Alcohol Swab
The 70% isopropyl alcohol swab can aid in the accurate diagnosis of lesions and skin conditions, identification of biopsy sites, and disinfection...
Original Research
PRAME Expression in Melanocytic Proliferations in Special Sites
Strong expression of the preferentially expressed antigen in melanoma (PRAME) via immunohistochemistry provides a reliable indicator for benignity...
Clinical Review
Squamous Cell Carcinoma Arising in Chronic Inflammatory Dermatoses
Squamous cell carcinoma can develop within chronic inflammatory dermatoses.
Case Letter
Multiple New-Onset Pyogenic Granulomas During Treatment With Paclitaxel and Ramucirumab
Some patients experience paradoxical formation of vascular tumors such as pyogenic granulomas when treated with combination therapy with...