Myelomatous ascites and pleural effusion in relapsed multiple myeloma.
Mizba BakshKe LiLiuyan JiangVictoria AlegriaTaimur SherVivek RoyAsher Chanan-KhanSikandar AilawadhiRicardo D ParrondoMuhamad Alhaj MoustafaPublished in: Clinical case reports (2022)
Extramedullary multiple myeloma is seen in advanced and aggressive disease and occurs due to plasma cell infiltration of sites other than the bone marrow. Myelomatous ascites or pleural effusion is seen in less than 1% of cases and can be differentiated from infectious etiologies based on fluid cytology.