Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Δευτέρα 15 Μαΐου 2017

Double hit lymphoma presenting as haemophagocytic lymphohistiocytosis

Description

A 67-year-old woman with history of severe rheumatoid arthritis and use of multiple biologics including infliximab, tocilizumab and abatacept presented with fever of 39.1°C and severe pancytopenia (white blood cell count (WBC)=1.0x109/L,  absolute neutrophil count (ANC)=0.55x109/L, haemoglobin=8.7 g/dL, platelets=46x109/L). As part of the pancytopenia evaluation, imaging (CT of the chest, abdomen and pelvis) showed diffuse lymphadenopathy. Further evaluation revealed an elevated ferritin (8564 ng/mL), hypofibrinogenaemia (fibrinogen=95 mg/dL), elevated triglycerides (399 mg/dL) and a soluble interleukin 2 receptor level of 41 167 units/mL, satisfying diagnostic criteria for haemophagocytic lymphohistiocytosis (HLH). A subsequent bone marrow biopsy also revealed morphological evidence of haemophagocytosis (figure 1A), in addition to a population of very large and atypical mononuclear cells with markedly irregular, folded nuclear contours, prominent nucleoli and moderate amounts of cytoplasm (figure 1B,C). A similar large cell infiltrate was identified in the left axillary lymph node, causing complete effacement of nodal architecture (figure...



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