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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Primary Cutaneous Diffuse Large B-Cell Lymphoma, Leg Type, With Spontaneous Regression After Biopsy.

Abstract Source:

Am J Dermatopathol. 2017 Oct ;39(10):785-787. PMID: 28926365

Abstract Author(s):

Gabriel Marrero-Alemán, Társila Montenegro-Dámaso, Yeray Peñate

Article Affiliation:

Gabriel Marrero-Alemán

Abstract:

Primary cutaneous diffuse large B-cell lymphoma, leg type (PCDLBCL-LT) represents approximately 20% of cutaneous B lymphomas with an intermediate prognosis. Spontaneous regression is uncommon; there are only 2 published cases. An 83-year-old woman presented 2 orange erythematous nodules on the back of her right leg with an elastic consistency, infiltrated, painful to the touch, and of an 8-month evolution. A histological examination revealed a dense cellular dermo-hypodermic infiltrate sparing the papillary dermis, composed of large cells with immunoblast and centroblast morphology and frequent mitosis. Immunohistochemical studies showed positivity for CD20, CD79, Bcl2, Bcl6, MUM1, Fox-P1, and IgM with Ki67>95%. Rearrangement of heavy IgH chains was monoclonal. The extension study was negative, establishing a diagnosis of PCDLBCL-LT, T2aN0M0. Three months after biopsy, the patient's lesions regressed spontaneously. New biopsies were taken that revealed a mild diffused dermo-hypodermic cellular infiltrate compounded by small-sized T lymphocytes, with predominance of CD8. Despite its self-limited character, treatment with radiotherapy was done, remaining asymptomatic after 1 year follow-up. There are 2 published cases of PCDLBCL-LT with spontaneous regression. The cause of this unusual autoinvolutional phenomenon is unknown; it may be an immune response against tumor cells through a traumatic or infectious mechanism.

Study Type : Human: Case Report
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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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