Malignant inverted papilloma of the urinary bladder: the histopathological aspect of malignant potential of inverted papilloma

Malignant inverted papilloma of the urinary bladder: the histopathological aspect of malignant potential of inverted papilloma.

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...

Inverted Papilloma of Nose

[Inverted papilloma of the bladder with recurrence in prostatic urethra].

Urothelial inverted papilloma is usually a solitary lesion with rare recurrences. Its behaviour is unclear, its potential for recurrence or progression is not well-known. We present a case of inverted papilloma of the bladder with recurrence in prostatic urethra after four years of follow-up. We review etiology, clinical presentation, diagnose, treatment and the present discussion about its mal...

Optimum management of inverted papilloma.

Surgery offers the optimum modality of treatment for inverted papilloma although a considerable range of operative approaches have been described. The results are presented in a cohort of 37 cases treated by both endoscopic and combined endoscopic and external approaches with a recurrence rate of eight and 21 per cent respectively. This series is compared with those in the literature and demons...

TRANSNASAL ENDOSCOPIC APPROACH FOR SINONASAL INVERTED PAPILLOMA

Inverted papillomas of the nose and paranasal sinuses are uncommon neoplasms, characterized by their tendency to occur and by their association with malignancy. In the past decade there has been a trend toward the use of endoscopic surgical techniques in the management of these tumors. This article presents the results of a prospective study of24 patients with inverted papilloma resected by...