RESUMO
A 23-year-old man presented to our practice with erythroderma and an unusual retiform eruption, along with alopecia universalis and nail dystrophy. He had had no skin findings at birth, but since early infancy had had localized eczematous eruptions of his skin. At 10 years of age, he had developed a generalized eczematous flare requiring hospitalization, and another generalized episode occurred in October 2010. He was prescribed prednisone 60 mg daily, which initially provided an improvement, but tapering of the corticosteroid resulted in another generalized flare.
Assuntos
Alopecia/etiologia , Dermatite Esfoliativa/etiologia , Diabetes Mellitus Tipo 1/congênito , Diarreia/complicações , Diarreia/diagnóstico , Doenças Genéticas Ligadas ao Cromossomo X/complicações , Doenças Genéticas Ligadas ao Cromossomo X/diagnóstico , Doenças do Sistema Imunitário/congênito , Erupções Liquenoides/etiologia , Diabetes Mellitus Tipo 1/complicações , Diabetes Mellitus Tipo 1/diagnóstico , Diabetes Mellitus Tipo 1/genética , Diarreia/genética , Fatores de Transcrição Forkhead/genética , Doenças Genéticas Ligadas ao Cromossomo X/genética , Humanos , Doenças do Sistema Imunitário/complicações , Doenças do Sistema Imunitário/diagnóstico , Doenças do Sistema Imunitário/genética , Masculino , Unhas Malformadas/etiologia , Adulto JovemRESUMO
Cutaneous granulomas with prominent caseating necrosis are a rare manifestation of immunodeficiency. Extensive and recalcitrant cutaneous viral infections can also be seen. We present a case of an 18-year-old white man with an early onset poorly characterized combined immunodeficiency syndrome who, over the past 5 years, developed enlarging tender red-purple plaques on his extremities and pink near-confluent macules on his chest and back. Previous biopsies of the red-purple plaques showed features of granuloma annulare. Histopathological examination of old and new biopsies revealed both sarcoidal and palisading necrobiotic granulomas with perforating features and elastophagocytosis. Stains and tissue cultures were negative for bacterial and fungal organisms. In addition, biopsy of a macule on the back demonstrated verruca plana with characteristics of epidermodysplasia verruciformis. As an infant, the patient had failure to thrive and a combined immunodeficiency, but was lost to follow-up for 15 years. He currently continues to have severe hypogammaglobinemia and cellular immunodeficiency. Intravenous immunoglobulin and prednisone were initiated and his plaques improved rapidly. Topical imiquimod was ineffective for the verruca plana. The patient and his parents are currently undergoing whole exome sequencing including evaluation for epidermodysplasia verruciformis 1 and 2 gene mutations. This case highlights the importance of including genetic immunodeficiency disorders in the clinical and histopathological differential diagnosis for cutaneous sarcoidal or palisading necrobiotic granulomas and for extensive cutaneous viral infection.