Malignant Degeneration of Squamous Papilloma Involving the Temporal Bone
نویسندگان
چکیده
منابع مشابه
Malignant Degeneration of Squamous Papilloma Involving the Temporal Bone
We report a rare case of malignant degeneration of a squamous papilloma to squamous cell carcinoma. A 47-year-old female presented at our tertiary referral center with squamous papilloma of the middle ear that transformed into advanced-stage (T4N0M0) squamous cell carcinoma of the temporal bone, with involvement of the facial nerve, labyrinth, temporomandibular joint, sigmoid sinus, and dura of...
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6. Dolcetti R, Doglioni C, Maestro R et al. P53 over-expression is an early event in the development of human squamous-cell carcinoma of the larynx: Genetic and prognostic implications. Int J Cancer 1992; 52(2): 178-1 82. 7. Calitano J, van der Riet P, Westra W at al. Genetic progression model forhead and neck cancer: Implications for field cancerization. Cancer Res 1996; 56: 2488-2492. 8. El-D...
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BACKGROUND Inverted papilloma involving the temporal bone is an extremely rare occurrence. Reports in the literature suggest a higher recurrence rate and association with squamous cell carcinoma in Schneiderian-type papillomas of the middle ear than in sinonasal Schneiderian-type papillomas. OBJECTIVES To investigate the expression of apoptosis-related proteins, markers of cell proliferation ...
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Esophageal papillomas are rare benign epithelial lesions, occurring in 0.01 % to 0.45 % of people undergoing endoscopy [1]. These are more common in middle-aged men. Proposed possible etiologies are chronicmucosal irritation (due to gastroesophageal reflux, smoking, alcohol, chronic food impaction, caustic injury, and mechanical irritants like nasogastric tubes or post bougie assisted esophagea...
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To investigate the histopathological characteristics of inverted papillomas of the urinary bladder, including the possibility of malignant transformation, we studied the indicators of cellular proliferation activity in 7 inverted papillomas of the bladder including two cases of malignant inverted papilloma of the bladder. PCNA expression rates in two cases of malignant inverted papilloma were h...
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ژورنال
عنوان ژورنال: The Journal of International Advanced Otology
سال: 2014
ISSN: 1308-7649,2148-3817
DOI: 10.5152/iao.2014.85