Dermatopathology
Case Reports
Nodular Scleroderma in a Patient With Chronic Hepatitis C Virus Infection: A Coexistent or Causal Infection?
Nodular scleroderma is a rare form of scleroderma that may occur systemically or locally. The pathogenesis of this variant is unknown.
Case Letter
Sweet Syndrome Presenting With an Unusual Morphology
Sweet syndrome is a neutrophilic dermatosis that typically presents as an acute onset of multiple, painful, sharply demarcated, small (measuring a...
Case Letter
Bilateral Auricular Swelling: Marginal Zone Lymphoma With Cutaneous Involvement
A 66-year-old man with hypertension presented with asymptomatic, edematous, swelling plaques without local heat on the bilateral auricles of 2...
Article
High-Yield Biopsy Technique for Subepidermal Blisters
Dermatologists often perform 2 biopsies of subepidermal blisters: one for light microscopy and another for direct immunofluorescence (DIF).
Dermpath Diagnosis
Rosai-Dorfman Disease
Rosai-Dorfman disease, also known as sinus histiocytosis with massive lymphade-nopathy, is a rare benign histioproliferative disorder of unknown...
Case Letter
Levonorgestrel-Releasing Intrauterine System Causes a Lichenoid Drug Eruption
Numerous drugs have been implicated as possible causes of lichenoid drug eruptions. The authors describe a case of a lichenoid drug eruption...
Photo Challenge
Cystic Nodule on the Palm
A 73-year-old woman with a history of multiple strokes with residual left-sided motor deficits and resultant left-hand contracture, type 2...
Case Reports
Non–HIV-Related Kaposi Sarcoma in 2 Hispanic Patients Arising in the Setting of Chronic Venous Insufficiency
Kaposi sarcoma (KS) is a vascular neoplasm associated with human herpesvirus 8 (HHV-8) infection that can be confused with the clinical and...
Photo Challenge
Firm Plaques and Nodules Over the Body
A 52-year-old woman presented with painful erythematous nodules of 2 weeks’ duration that began as a single lesion on the left shin and spread...
Case Reports
Imiquimod-Induced Subacute Cutaneous Lupus Erythematosus–like Changes
Imiquimod is a topical immunomodulator used to treat genital warts and cutaneous malignancies that exerts its effects via induction of...
Case Reports
Rare Angioinvasive Fungal Infection in Association With Leukemia Cutis
Leukemia cutis (LC) is characterized by the infiltration of malignant neoplastic leukocytes or their precursors into the skin and is most often...