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Pure red cell aplasia (PRCA) is a rare bone marrow failure characterized by a progressive normocytic anemia and reticulocytopenia without leukopenia and thrombocytopenia. It can be associated with various hematological disorders but exceedingly rarely with angioimmunoblastic T-cell lymphoma (AITL). We report the case of a 72-year-old woman with PRCA associated with AITL. The patient presented with severe anemia (hemoglobin 2.6 g/dL) and a low reticulocyte count 0.7%. Direct and indirect Coombs tests were positive. A CT scan of the chest, abdomen, and pelvis revealed multiple lymphadenopathies. A cervical lymph node biopsy was compatible with AITL. A bone marrow biopsy showed medullary involvement by AITL and a severe erythroid hypoplasia with a myeloid:erythroid ratio of 19.70. The patient was started on CHOP and after 6 cycles the PET scan confirmed complete remission.
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http://dx.doi.org/10.1159/000505533 | DOI Listing |
Am J Hematol
September 2025
Médecine Interne, Hôpital Estaing, Centre Hospitalier Universitaire de Clermont-Ferrand, Clermont-Ferrand, France.
Pure red cell aplasia (PRCA) is the most frequent autoimmune cytopenia associated with thymic tumors (TTs). In a nationwide retrospective study, we included 41 patients (22 women, median age 62 years). At PRCA diagnosis, the mean hemoglobin level was 6.
View Article and Find Full Text PDFACS Appl Mater Interfaces
September 2025
School of Chemistry & Materials Engineering, Fuyang Normal University, Fuyang 236037, China.
Halide perovskite quantum dots (QDs) have demonstrated outstanding performance in light-emitting applications. However, the performance of blue perovskite QDs lags far behind that of their red and green counterparts, especially those with color coordinates approaching (0.131, 0.
View Article and Find Full Text PDFJ Med Cases
August 2025
Hematology and Oncology Service, Hospital Privado Universitario de Cordoba, Argentina.
Pure red cell aplasia (PRCA) is a potential complication after ABO-incompatible allogeneic hematopoietic stem cell transplantation (HCT). In case where PRCA persists beyond 60 days post-HCT, spontaneous resolution is rare, and therapeutic intervention is typically required. However, there is currently no established standard of care for its management.
View Article and Find Full Text PDFJ Dermatolog Treat
December 2025
Department of Dermatology, Peking University Third Hospital, Beijing, China.
Aim: To evaluate the therapeutic efficacy and safety of the Janus kinase (JAK) inhibitor tofacitinib in the management of refractory perianal pyoderma gangrenosum (PG) under conditions of baseline immunosuppression and bone marrow suppression.
Methods: We present a 62-year-old male with a 4-month history of painful, progressive symmetrical perianal ulcerations diagnosed as PG, coexisting with condyloma acuminatum. The patient had a background of pure red cell aplasia and myasthenia gravis, and was undergoing chronic immunosuppressive therapy with prednisolone and tacrolimus.
Purpose: Fetal cells in maternal blood are a pure source of fetal genomic DNA for noninvasive prenatal testing (NIPT), if successfully isolated. We assessed whether single-cell genome and transcriptome sequencing (G&T-seq) can be applied to efficiently isolate fetal nucleated red blood cells (fNRBCs) suitable for genetic testing.
Methods: Using umbilical cord blood as a model, we isolated 165 single NRBC candidates from four samples and 12 single lymphocytes as controls from one sample.