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CASE REPORT
Year : 2016  |  Volume : 8  |  Issue : 3  |  Page : 348-354

Myeloid sarcoma of the periprostatic tissue and prostate: Case report and review of literature


1 Department of Urology, Michigan United Physicians, Pontiac, Michigan, USA
2 Department of Pathology, St. Joseph Mercy Oakland Hospital, Pontiac, Michigan, USA

Correspondence Address:
Atul Rajpurkar
2450 Walton Blvd., Rochester Hills, Michigan 48309
USA
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DOI: 10.4103/0974-7796.184890

PMID: 27453659

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Myeloid sarcoma (MS) is a rare extramedullary tumor composed of immature cells of myeloid lineage that destroy the original tissue architecture in which it is found. It is most commonly identified in patients with acute myelogenous leukemia, and less often in myelodysplastic syndromes (MDSs) and other myeloproliferative disorders. It is most commonly reported in the periosteum, bone, skin, and lymph nodes but has been reported in many other sites of the body. Herein, we describe a case of MS involving the periprostatic tissue and review of literature of MS of the prostate. Our patient was initially diagnosed with MDS and was in remission following successful treatment. Six months later, the patient was diagnosed with prostate adenocarcinoma, and MS of the periprostatic tissue was incidentally discovered in the postprostatectomy pathology specimen. An extensive review of literature from 1997 to 2014 revealed a total of eight cases of MS involving the prostate. Of the eight cases of MS of the prostate, four were primary MS (absence of a history of leukemia) and four were secondary MS. Three received local radiation to the prostate with relief of obstructive symptoms, and one of them had a repeat prostate biopsy negative for leukemic cells. Despite being a rare entity, MS should be considered as a differential diagnosis of soft tissue masses, especially in patients with a history of hematological malignancies.


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