Introduction: Accessory spleens are found in 10-15% of the population, and are even more prevalent in patients with hematological disorders (Rudowski, 1985). It infrequently may become symptomatic due to torsion, spontaneous rupture or hemorrhage which may lead to death. Torsion of an accessory spleen is extremely rare, and requires prompt medical attention [2] (Coote et al., 1999). Presentation of case: We report the case of a 27-year-old Mediterranean lady with thalassemia trait, who presented to the emergency department with an acute surgical abdomen due to torsion of a giant accessory spleen, measuring 13cm. She was diagnosed with the aid of ultrasound and computed tomography (CT) scan and was treated surgically through resection of the spleen. Discussion and conclusion: Torsion of an accessory spleen is not common, and is the surgical indication in about 0.2-0.3% of splenectomies (Mortele et al., 2004). It has variable clinical presentations, and is a difficult preoperative diagnosis due to lack of specificity of symptoms. Accessory spleens are usually smaller than 3cm, with few cases being reported as larger than 10cm larger accessory spleens have a higher rate of torsion. Knowledge of this pathology, and familiarity with its radiological findings are fundamental to accurately diagnosing and manageming this challenging condition.
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机译：简介：附件脾脏占人口的10-15％，在血液系统疾病患者中更为普遍（Rudowski，1985）。因扭伤，自发性破裂或出血而很少引起症状，可能导致死亡。副脾的扭转非常少见，需要及时的医疗护理[2]（Coote等，1999）。病例介绍：我们报告了一名地中海贫血症特征的27岁地中海女士，由于扭伤了一个13cm的巨大附属脾，向急诊科提供了急诊手术腹部的病例。通过超声和计算机断层扫描（CT）扫描对她进行了诊断，并通过脾切除术对其进行了手术治疗。讨论与结论：副脾扭转并不常见，约占脾脏切除术的0.2-0.3％（Mortele et al。，2004）。它具有多种临床表现，并且由于缺乏症状特异性而难以进行术前诊断。辅助脾脏通常小于3cm，据报道很少有病例，因为辅助脾脏大于10cm，则具有较高的扭转率。对这种病理学的了解以及对放射学发现的熟悉是准确诊断和管理这种挑战性疾病的基础。
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