[Follow-up studies of patients with osteochondroplastic tracheobronchopathy].
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Biomedical subjects
Publications and source records attributed to K Minik.
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In 10 cases of hairy cell leukaemia histological, cytological, cytochemical and in some of the cases immunocytological investigations were carried out. In addition to clinical, cytological and cytochemical findings arising suspicion of hairy cell leukaemia, in three cases the multifocal reaction of acid-phosphatase appeared to be tartarate sensitive (at the concentration of L+-tartaric acid--0,75%), indicating in accordance with findings of Burns et al. (9), that tartarate resistency of the acid-phosphatase reaction ("isoenzyme 5" Katayama és mtsai, 24) has no absolute diagnostic significance. Pathomorphological investigation of different tissues (spleen, lymph node, bone marrow, liver) has revealed the characteristic localization of the spleen infiltrates (cords of Billroth) and the formation of the so called pseudosinuses. These morphological findings may contribute to the diagnosis of hairy cell leukaemia.
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An 11-year-old boy with Klinefelter syndrome had Castleman disease (CD) of plasma cell type develop. Nonregulated antibody production mimicked systemic lupus erythematosus (SLE). Hepatitis C virus (HCV) infection caused significant disease worsening. The patient was treated with a daily dosage of 2 million units/m2 of IFN-alpha. Dramatic clinical improvement and decreasing autoimmune phenomenon were observed. HCV RNA were cleared. Hypergammaglobulinemia did not change. The boy has been living for 8 years with his disease. Plasma cell type CD can mimic collagenosis. Disease worsening is caused by HCV, though it can be reversed with IFN-alpha. Klinefelter syndrome may be a genetic susceptibility factor for CD in some cases.