Dermatopathology
Photo Challenge
Hyperpigmented Flexural Plaques, Hypohidrosis, and Hypotrichosis
A 61-year-old woman with a history of hypohidrosis and deafness presented with a pruritic rash on the neck and antecubital fossae of several years...
Case Letter
Aberrant Expression of CD56 in Metastatic Malignant Melanoma
The diagnosis of melanoma often is challenging as tumors can show notable histologic diversity and have the potential to express aberrant...
Latest News
Specialty-trained pathologists more likely to make higher-grade diagnoses for melanocytic lesions
A total of 338 pathologists were included in the exploratory analysis; 225 were dermatopathologists.
Make the Diagnosis
An 88-year-old Black woman presented with 3 months duration of asymptomatic, violaceous patches on the left breast
The patient's history is significant for breast cancer.
Dermpath Diagnosis
Keratotic Nodules in a Patient With End-Stage Renal Disease
A 42-year-old man with end-stage renal disease on hemodialysis presented with generalized body itching and nodules on the scalp and back of 1 year...
Case Letter
Plaquelike Syringoma Mimicking Microcystic Adnexal Carcinoma: A Potential Histologic Pitfall
Dermatologists should familiarize themselves with the plaquelike subtype of syringoma, which can histologically mimic the superficial portion of...
Photo Challenge
Blue Nodules on the Forearms in an Active-Duty Military Servicemember
A 31-year-old active-duty military servicemember presented to the dermatology clinic for evaluation of 0.3- to 2-cm, tender, blue nodules on the...
Case Letter
Iododerma Simulating Cryptococcal Infection
Halogenodermas are rare cutaneous reactions to excess exposure to or ingestion of halogen-containing drugs or substances such as bromine, iodine (...
Dermpath Diagnosis
Reticular Hyperpigmentation With Keratotic Papules in the Axillae and Groin
A 37-year-old woman presented with multiple hyperkeratotic small papules in the axillae and groin of 1 year’s duration. She reported pruritus and...
Coding
Update on Dermatology Reimbursement in 2024
This article provides a discussion of the proposed Medicare physician fee schedule (MPFS) published by the Centers for Medicare & Medicaid...
Photo Challenge
Verrucous Plaque on the Foot
A 62-year-old man presented with an enlarging plaque on the foot of 3 years’ duration. He experienced minor pain while walking but reported no...