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  • Title: Random skin biopsy in the diagnosis of intravascular lymphoma.
    Author: Sitthinamsuwan P, Chinthammitr Y, Pattanaprichakul P, Sukpanichnant S.
    Journal: J Cutan Pathol; 2017 Sep; 44(9):729-733. PubMed ID: 28626893.
    Abstract:
    BACKGROUND: Random skin biopsy (RSB) is a method for diagnosis of intravascular lymphoma (IVL). However, the indications for RSB to diagnose IVL have not yet been established. The aim of this study was to determine the appropriate indications for RSB to diagnose IVL. METHODS: Thirty-two patients with fever of unknown origin (FUO) and without skin lesion underwent RSB for diagnosis of IVL. Clinical data, including fever, neurological symptoms, hematologic disorders, organomegaly, bone marrow (BM) study, hypoxemia and serum level of lactate dehydrogenase (LDH), were evaluated. RESULTS: Seven of 32 patients were definitively diagnosed with IVL. In addition to FUO, 2 IVL patients also suffered from dyspnea and neurological disorders. Patients who had FUO with accompanying hematologic disorders, high LDH, negative BM study and no lymphadenopathy or hepatosplenomegaly had a significant tendency to have IVL by RSB (P = .03). FUO with hypoxemia was also identified as a significant indication for RSB (P = .02). CONCLUSIONS: RSB is a reliable method for diagnosis of IVL, especially in patients with FUO and any 1 or more of the 4 following abnormalities: (1) hematologic abnormalities; (2) high serum LDH; (3) hypoxemia; and/or, (4) unusual neurological symptoms with co-existing hematologic abnormalities and without lymphadenopathy, hepatosplenomegaly or BM abnormality.
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