Extramedullary hematopoiesis in chronic myelofibrosis encasing the pelvicaliceal system and perirenal spaces: CT findings

We examined a 46-year-old male patient with idiopathic myelofibrosis diagnosed 28 months earlier. After chemotherapy and irradiation, CT showed nonnodular, soft tissue masses in the renal hilum, pelvicaliceal system, perirenal and periureteral spaces. Ultrasound-guided biopsy showed extramedullary h...

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Bibliographic Details
Published in:	Urologia internationalis Vol. 75; no. 3; p. 281
Main Authors:	La Fianza, Alfredo, Torretta, Lorella, Spinazzola, Angelo
Format:	Journal Article
Language:	English
Published:	Switzerland 01-01-2005
Subjects:	Chronic Disease Disease Progression Follow-Up Studies Hematopoiesis, Extramedullary Humans Kidney Calices - diagnostic imaging Male Middle Aged Primary Myelofibrosis - diagnostic imaging Tomography, X-Ray Computed
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Summary:	We examined a 46-year-old male patient with idiopathic myelofibrosis diagnosed 28 months earlier. After chemotherapy and irradiation, CT showed nonnodular, soft tissue masses in the renal hilum, pelvicaliceal system, perirenal and periureteral spaces. Ultrasound-guided biopsy showed extramedullary hematopoiesis (EMH). The mass, which caused delayed nephrographic enhancement, without hydroureteronephrosis, was the only site of EMH. We report the CT findings of this uncommon EMH localization.
ISSN:	0042-1138
DOI:	10.1159/000087809