Sickle cell trait: a cause of abdominal pain and pulmonary embolism.

Introduction: Sickle cell trait (SCT) is a rare and underdiagnosed disorder in the Argentinian population. In this condition, individuals carry the mutation of the HbS gene in one of the two beta-globin genes. In general, SCT does not present with the typical manifestations of sickle cell anemia. However, under certain circumstances, some clinical characteristics of the disease may develop.
Methods: We discussed the case of a 39-Year old man who presented with persistent abdominal pain of unknown origin after traveling to a high-altitude place. He underwent laparotomy without a definite diagnosis. After that, the patient developed signs of splenic infarction and pulmonary thromboembolism that were confirmed by computed tomography.
Results: A sickling test was positive, and a hemoglobin electrophoresis revealed an abnormal fraction at the HbS level. In this context a diagnosis of SCT was made. Additional, tests revealed a strongly positive lupus anticoagulant.
Conclusion: SCT presentation as abdominal pain and thromboembolic disease in adult patients after exposure to high altitudes is a rarely suspected diagnosis.
(Universidad Nacional de Córdoba.)