Albsoul Nader, Rawashdeh Badi, Albsoul Ahmad, Abdullah Mohammad, Golestani Simin, Rawshdeh Aasem, Mohammad Mona, Alzoubi Mohammad
Jordan University Hospital, Department of General Surgery, Amman, Jordan.
University of Arizona Medical Center, Department of General Surgery, United States.
Int J Surg Case Rep. 2015;11:40-43. doi: 10.1016/j.ijscr.2015.04.012. Epub 2015 Apr 13.
Meningiomas are the most common intracranial tumor, but rarely, they can develop extracranially, usually in the neck. There are very few cases of parapharyngeal meningioma reported in literature and little is known about their biological behavior and operative management. We present a patient with a primary parapharyngeal meningioma that presented as an anterior neck mass.
The patient is a 55-year-old female who presented with neck mass. A CT scan and MRI revealed a large, well defined, mildly enhancing soft tissue mass located in the right carotid sheath extended from the level of the thyroid gland into the skull base jugular foramen superiorly. Cervical exploration with partial excision of the mass was performed. Histological examination revealed meningiothelial cells with intranuclear inclusions, arranged in a syncytial pattern. Mutiple psamoma bodies these findings are consistent with the diagnosis of meningioma.
Extracranial meningiomas are quite rare. The diagnosis of these types of tumors is challenging due to the non specific nature of the symptoms. The anatomic complexity of the region of parapharyngeal space also makes their detection difficult. Imaging modalities can aid in the diagnosis, but pathological examinations are essential in confirming a definite diagnosis.
脑膜瘤是最常见的颅内肿瘤，但极少情况下可发生于颅外，通常在颈部。文献中报道的咽旁脑膜瘤病例非常少，对其生物学行为和手术治疗了解甚少。我们报告一例以颈部前方肿块为表现的原发性咽旁脑膜瘤患者。
患者为一名55岁女性，因颈部肿块就诊。CT扫描和MRI显示一个大的、边界清晰、轻度强化的软组织肿块，位于右侧颈动脉鞘，从甲状腺水平向上延伸至颅底颈静脉孔。进行了颈部探查并部分切除肿块。组织学检查显示脑膜上皮细胞有核内包涵体，呈合体细胞模式排列。多个砂粒体，这些发现符合脑膜瘤的诊断。
颅外脑膜瘤相当罕见。由于症状的非特异性，这类肿瘤的诊断具有挑战性。咽旁间隙区域的解剖复杂性也使其难以检测。影像学检查有助于诊断，但病理检查对于确诊至关重要。
