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Stuttering priapism in a pediatric patient with pheochromocytoma-induced thrombocytosis.

ABSTRACT: Priapism is an erection of more than 4 h without sexual stimulation. Ischemic priapism may lead to irreversible erectile dysfunction after a long-lasting period. Stuttering priapism is characterized by a pattern of recurrence that may progress to an unrelenting ischemic crisis, which is a urological emergency. Few reports have revealed that priapism is associated with essential thrombocythemia. The reactive thrombocytosis is uncommonly manifested by pheochromocytoma and rarely causes thrombotic events even if the platelet count is extremely high. We presented priapism related to reactive severe thrombocytosis in a 12-year-old male with pheochromocytoma. The cornerstone of care was prompt medical and surgical intervention by a multidisciplinary team approach to save life and preserve erectile function.

SUBMITTER: Boonchai S

PROVIDER: S-EPMC9472302 | biostudies-literature | 2022 Jul-Sep

REPOSITORIES: biostudies-literature

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Stuttering priapism in a pediatric patient with pheochromocytoma-induced thrombocytosis.

Boonchai Sarayuth S Sangkhathat Surasak S Laochareonsuk Wison W Attawettayanon Worapat W

Urology annals 20220718 3

Priapism is an erection of more than 4 h without sexual stimulation. Ischemic priapism may lead to irreversible erectile dysfunction after a long-lasting period. Stuttering priapism is characterized by a pattern of recurrence that may progress to an unrelenting ischemic crisis, which is a urological emergency. Few reports have revealed that priapism is associated with essential thrombocythemia. The reactive thrombocytosis is uncommonly manifested by pheochromocytoma and rarely causes thrombotic ...[more]

PMID: 36117795

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Project description:Pediatric chronic myeloid leukemia (CML) is a very rare malignancy (age-related incidence 0.1/100,000) typically presenting with leucocyte counts >100,000/µL. However, clinical signs of leukostasis are observed at diagnosis in only approximately 10% of all cases and among these, priapism is infrequent. Here, we analyze data from pediatric CML registries on the occurrence of priapism heralding diagnosis of CML in 16/491 (3.2%) boys (median age 13.5 years, range 4-18) with pediatric CML. In the cohort investigated, duration of priapism resulting in a diagnosis of CML was not reported in 5 patients, and in the remaining 11 patients, occurred as stuttering priapism over 3 months (n = 1), over 6 weeks (n = 1), over 1-2 weeks (n = 2), over several days (n = 2), or 24 h (n = 1), while the remaining 4 boys reported continuous erection lasting over 11-12 h. All patients exhibited splenomegaly and massive leukocytosis (median WBC 470,000/µL, range 236,700-899,000). Interventions to treat priapism were unknown in 5 patients, and in the remaining cohort, comprised intravenous fluids ± heparin (n = 2), penile puncture (n = 5) ± injection of sympathomimetics (n = 4) ± intracavernous shunt operation (n = 1) paralleled by leukocyte-reductive measures. Management without penile puncture by leukapheresis or exchange transfusion was performed in 3 boys. In total, 7 out 15 (47%) long-term survivors (median age 20 years, range 19-25) responded to a questionnaire. All had maintained full erectile function; however, 5/7 had presented with stuttering priapism while in the remaining 2 patients priapism had lasted <12 h until intervention. At its extreme, low-flow priapism lasting for longer than 24 h may result in partial or total impotence by erectile dysfunction. This physical disability can exert a large psychological impact on patients' lives. In a narrative review fashion, we analyzed the literature on priapism in boys with CML which is by categorization stuttering or persisting as mostly painful, ischemic (low-flow) priapism. Details on the pathophysiology are discussed on the background of the different blood rheology of hyperleukocytosis in acute and chronic leukemias. In addition to the data collected, instructive case vignettes demonstrate the diagnostic and treatment approaches and the outcome of boys presenting with priapism. An algorithm for management of priapism in a stepwise fashion is presented. All approaches must be performed in parallel with cytoreductive treatment of leukostasis in CML which comprises leukapheresis and exchange transfusions ± cytotoxic chemotherapy.

Dataset Information

Stuttering priapism in a pediatric patient with pheochromocytoma-induced thrombocytosis.

Publications

Stuttering priapism in a pediatric patient with pheochromocytoma-induced thrombocytosis.

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