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Abstract：
Aim The study aims to analyze the imaging findings of invasive rhino-orbital-cerebral mucormycosis (ROCM) in patients who had COVID-19. Materials and methods This retrospective descriptive study was done on confirmed (culture and histopathology) patients who had a COVID-19 infection. The data was collected from the record section from May 2021 to June 2021. Imaging data were analyzed, and findings were tabulated according to statistical methods. Results Radiological evaluation, including CT and MRI, was done in 48 cases. The ethmoid sinus was the most common sinus involved in 60.41% of cases, followed by the maxillary sinus (52.09%). Unilateral pansinusitis was observed in 21 cases (43.75%). Among periantral extensions, retroantral fat involvement was the most common finding, seen in 24 cases (50%). Lamina papyracea and the walls of the maxillary sinus were involved in eight cases (16.67%). A total of 38 cases (79.17%) exhibited involvement of the extraconal compartment, while 32 cases (66.67%) showed involvement of the intraconal compartment. In intracranial involvement, infarct was noted in 13 cases (27%), and cavernous sinus involvement in nine cases (18.75%). Conclusions ROCM is a life-threatening fungal infection in immunocompromised patients, especially diabetics. Imaging of ROCM plays a pivotal role in early diagnosis, the extent of disease, surgical planning, prognosis, and the response to treatment. Radiologists must know the imaging features and patterns of extension of ROCM.
摘要：
目的分析COVID-19患者侵袭性鼻-眶-脑毛霉菌病(ROCM)的影像学表现。材料和方法这项回顾性描述性研究是对确诊的（培养和组织病理学）COVID-19感染患者进行的。数据是从2021年5月至2021年6月的记录部分收集的。分析影像学资料,并根据统计方法将调查结果制成表格。结果放射学评估，包括CT和MRI,共48例。筛窦是最常见的窦，占60.41%。其次是上颌窦（52.09%）。单侧全鼻窦炎21例(43.75%)。在窦周延伸中，窦后脂肪受累是最常见的发现，24例（50%）。8例（16.67％）累及膜纸和上颌窦壁。共有38例（79.17％）表现为外室受累，32例(66.67%)表现为颅内腔受累。在颅内受累中，13例(27%)出现梗死,海绵窦受累9例(18.75%)。结论ROCM是一种危及免疫功能低下患者生命的真菌感染,尤其是糖尿病患者.ROCM的影像学检查在早期诊断中起着举足轻重的作用,疾病的程度，手术计划,预后,以及对治疗的反应。放射科医生必须了解ROCM的成像特征和扩展模式。
