Lymphome cutané métamérique mimant un pyoderma gangrenosum Metameric cutaneous lymphoma mimicking a pyoderma gangrenosum

Pyoderma gangrenosum.

Pyoderma gangrenosum (PG) is an idiopathic, ulcerative, noninfective chronic inflammatory skin disorder of unknown etiology. It is associated with systemic medical illness in 50% of cases like inflammatory bowel disease, systemic arthritis, haematological diseases and malignancies. Characteristic lesions begin as pustule or vesiculopustule and progresses to an ulcer or deep erosion with violace...

Pyoderma gangrenosum in a patient with cutaneous T-cell lymphoma

PG: Pyoderma gangrenosum CTCL: Cutaneous T-cell lymphoma IL: Interleukin INTRODUCTION Pyoderma gangrenosum (PG) is an uncommon neutrophilic dermatosis characterized classically by the development of rapidly expanding painful ulcerations often on the lower extremities. Although most commonly associatedwith inflammatory bowel disease, acute leukemia, myelodysplastic syndrome, or monoclonal gammop...

Cutaneous Pyoderma Gangrenosum of the Hand

Extranodal NK/T-cell lymphoma nasal type mimicking pyoderma gangrenosum.

The new World Health Organization / European Organization for Research and Treatment of Cancer (WHO-EORTC) consensus classification for cutaneous lympho-mas recognizes two main groups of CD56 + lymphomas: extranodal natural killer (NK)/T-cell lymphoma nasal type, and CD56+ haematodermic neoplasm (formerly known as blastic NK cell lymphoma (1). NK/T-cell lymphoma nasal type is the most common ly...

Atypical Pyoderma Gangrenosum Mimicking an Infectious Process

We present a patient with atypical pyoderma gangrenosum (APG), which involved the patient's arm and hand. Hemorrhagic bullae and progressive ulcerations were initially thought to be secondary to an infectious process, but a biopsy revealed PG. Awareness of APG by infectious disease services may prevent unnecessary use of broad-spectrum antibiotics.