case_images: PMC10753644_01
case_images: Preoperative T2 MRI picture showing right and left nasal masses.
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case_images: On MRI, the right inferior turbinate mass was hyperintense on T2W images without any erosion of the surrounding soft tissues (Figure 1).
case_images: Cavernous hemangioms. (A) Preoperative endoscopic view. (B) Postoperative endoscopic view. (C and D) Naked eye picture.
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case_images: The postoperative course was uneventful, and the patient was discharged on the second postoperative day (Figure 2).
case_images: Histopathology picture of the cavernous hemangioma showing nasal mucosal covering with underlying vascular lesion composed of mainly dilated capillaries filled by blood (A and B); bland looking endothelial cells (C and D) H&E stain x40,100, 200 & 400.
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case_images: Microscopic examination revealed a right-side polyp with respiratory epithelial covering and underlying tissue formed of loose connective tissue with proliferated and dilated blood vessels lined by bland-looking endothelial cells with no communication or atypia (Figure 3).
case_images: Inverted growth, stratified epithelium, and intraepithelial microabscess in inverted Papilloma (A) x40, (B) x100, (C) x200 & (D) 400 H&E stains.
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case_images: Left-sided slide examination showed hyperplastic (5-10 layers) epithelium of respiratory and transitional types exhibiting downward endophytic growth and round nests with smooth outer contours and occasional mitotic figures (Figure 4).