PMID: 20654175Jul 27, 2010Paper

Appearance and clinical value of MRI in sinonasal embryonal rhabdomyosarcoma

Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery
Shu-rong LiShao-yan Zheng

Abstract

To investigate the appearance and clinical value of MRI in the diagnosis of embryonal rhabdomyosarcoma in nasal cavity and paranasal sinuses. The clinical, pathological and MRI findings of five patients with pathology proved embryonal rhabdomyosarcoma in nasal cavity and paranasal sinuses were retrospectively analyzed. The major clinical symptoms included nasal obstruction (4 cases), exophthalmus (4 cases), decreased eyesight (2 cases), epistaxis (1 case), decreased olfactory sensation (1 case) and restriction of eyeball movement (1 case). All 5 cases involved multi-location. Among them, 4 cases mainly located in the ethmoid sinus, one mainly located in the nasal septum. According to the IRS, 1 case was at stage II, the other 4 cases were at stage III. Compared to the grey matters, on T1 weighted image, the masses were homogenously isointensity in 2 cases, isointensity with patchy hyperintensity in 3 cases. On T2 weighted images, the masses were slightly hyperintensity with patchy hypointensity in 2 cases. Slightly hyperintensity with patchy hyperintensity in 3 cases. All 5 cases were markley heterogeneously enhanced after administration of contrast agents, with patchy of non-enhanced area. Of them, two were grape-like enhanced...Continue Reading

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