Case presentation A 59-year-old man comes to the hospital with a gradually increasing lump in his right groin which he suspects to be a 'hernia'. When asked about the same, the patient explains that the lump has been progressively increasing for the past six months. However, it was painless; therefore, he had ignored it so far. The doctor notices a large inguinal lymph node. The patient accepts that he has suffered repeated urethritis in the past. Upon further examination, the patient was found to have splenomegaly (7 cm below the costal margin) without hepatomegaly.
Laboratory tests The patient’s hemoglobin was low (118 g/l). However, his differential and WBC count were normal. The patient's lactate dehydrogenase level was very high. Additionally, his erythrocyte sedimentation rate (ESR) was 58 mm/h. The patient had reduced serum immunoglobins with IgA 0.3 g/l [Normal range (NR)…
