A young man presented with mediastinal mass, pleural and pericardial effusions: a rare case of CD123-positive myeloid sarcoma

Key Points

• The aim is to highlight a rare presentation of myeloid sarcoma and its implications in diagnosis and treatment.
• Case presentation of a young man with identified symptoms.
• Imaging and laboratory analysis conducted to confirm diagnosis.
• Focus on the pathological features of CD123-positive myeloid sarcoma.
• Confirmed diagnosis of myeloid sarcoma with associated pleural and pericardial effusions.
• Discussion on the rarity of the case and its relevance to acute myeloid leukaemia.