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São Paulo med. j ; 124(5): 275-277, Sept. 2006.
Article in English | LILACS | ID: lil-440163

ABSTRACT

CONTEXT: Splenic or portal vein thrombosis is a rare complication following splenectomy. CASE REPORT: We report a case of splenic and portal venous thrombosis in a 10-year-old girl with chronic myeloid leukemia who underwent laparoscopic splenectomy prior to bone marrow transplant. Clinical suspicion of such thrombosis should be high for patients who have had splenectomy. The diagnosis is confirmed by Doppler ultrasound or contrast-enhanced computed tomography; magnetic resonance imaging magnetic resonance angiography or arteriography can also be used. Proposals for postoperative screening protocols are discussed. Patients with primary myeloproliferative disorders are at increased risk of portal vein thrombosis, independent of surgical intervention, perhaps due to platelet dysfunction resulting from abnormalities of pluripotent stem cells. Marked splenomegaly (with larger draining veins) is thought to increase the risk of thrombosis.


CONTEXTO: Trombose em veia portal ou esplênica é uma complicação rara pós-esplenectomia. RELATO DE CASO: Descrevemos um caso de trombose venosa portal e esplênica em uma menina de 10 anos de idade com leucemia mielóide crônica, a qual foi submetida a uma esplenectomia laparoscópica antes de um transplante de medula óssea. A suspeita clínica de tal trombose deve ser alta em pacientes que sofreram esplenectomia, e o diagnóstico é confirmado pelo ultra-som Doppler. Tomografia com contraste, ressonância magnética, angioressonância ou arteriografia podem também ser utilizados. Proposta de protocolo pós-operatório para avaliação de trombose é discutida.


Subject(s)
Humans , Female , Child , Laparoscopy/adverse effects , Leukemia, Myelogenous, Chronic, BCR-ABL Positive/surgery , Portal Vein , Splenectomy/adverse effects , Splenic Vein , Venous Thrombosis/etiology , Laparoscopy/methods , Platelet Count , Postoperative Period , Splenectomy/methods , Ultrasonography, Doppler, Duplex , Venous Thrombosis/blood , Venous Thrombosis/diagnosis
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