Background: In rare cases, tumors are associated with secondary Raynaud's phenomenon in systemic sclerosis (SSc). We report the case of a patient presenting cutaneous limited SSc associated with CD30 anaplastic lymphoma with cutaneous and lymph node involvement in whom the capillaroscopic scleroderma pattern regressed completely after autologous bone marrow transplantation, with complete remission of the lymphoma.
Case report: A 37-year-old man presented bilateral Raynaud's phenomenon associated with digital ulcers contracted one year earlier but subsequently neglected. Right axillary lymph nodes and regional cutaneous tumors were present, leading to the diagnosis of CD30+ anaplastic lymphoma with cutaneous and lymph node involvement. Chemotherapy containing cyclophosphamide achieved only partial remission of the lymphoma. Clinical examination showed bilateral Raynaud's phenomenon, sclerodactyly, a right axillary subcutaneous nodule and a pathological Allen's test for the right hand. Antinuclear antibodies were positive without any other immunological abnormalities, and capillaroscopy showed an SSc pattern with numerous megacapillaries. Digital blood pressure was reduced in the right index and the left middle fingers, in which ulcers of the pulp were observed. Bone marrow transplantation was performed, resulting in complete remission of the lymphoma and disappearance of the sclerodactyly, with no recurrence of the pulp ulcers and complete normalization of capillaroscopic appearance and digital pressure.
Discussion: This case raises the question of authentic SSc and neoplasia and highlights the importance of capillaroscopy in the follow-up of SSc. The complete regression of SSc and of capillaroscopic abnormalities could be explained by the paraneoplastic nature of SSc or by the direct action of the chemotherapy and bone marrow transplantation.
Keywords: Capillaroscopie; Capillaroscopy; Lymphome non hodgkinien; Non-Hodgkin's lymphoma; Phénomène de Raynaud; Raynaud's phenomenon; Sclérodermie systémique; Systemic sclerosis.
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