A series of vascular tumors and tumorlike lesions of the bladder

Research output: Contribution to journalArticle

Abstract

Vascular tumors of the bladder are rare and a subject of small series and case reports. We retrospectively identified vascular tumors of the urinary bladder from the consultation files from one of the authors. We identified 13 lesions that included 3 hemangiomas, 3 intravascular papillary endothelial hyperplasias (Masson vegetant hemangioendotheliomas), 2 arteriovenous malformations (AVMs), 1 epithelioid hemangioendothelioma (EHE), and 4 angiosarcomas. One of the angiosarcomas was associated with conventional high-grade urothelial carcinoma (sarcomatoid carcinoma). All patients were adults with a range in age from 18 to 85 years old (mean 63.3). There was no statistical difference among the various lesions in terms of age, although angiosarcomas tended to arise in older patients (mean 71 y vs. 60 y of the remainder). Hematuria was the most common presentation of both benign and malignant lesions. Other symptoms included voiding irritation, pelvic pain, and obstruction. Histologically, benign and malignant lesions were similar to their counterparts in other organ systems. Two hemangiomas were of the capillary type and a third one of the cavernous subtype. They measured 1.1, 2.4, and 3.2 cm. Both AVMs were clinically large broad-based masses measuring 5.5 and 5.8 cm in greatest diameter. One of the AVMs was associated with pseudoepitheliomatous hyperplasia of the urothelium. All 3 patients with Masson lesion had history of radiation therapy for other causes. These presented as raised lesions and were all

Original languageEnglish (US)
Pages (from-to)1213-1219
Number of pages7
JournalAmerican Journal of Surgical Pathology
Volume32
Issue number8
DOIs
StatePublished - Aug 2008

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Hemangiosarcoma
Arteriovenous Malformations
Blood Vessels
Urinary Bladder
Hyperplasia
Epithelioid Hemangioendothelioma
Capillary Hemangioma
Hemangioendothelioma
Carcinoma
Urothelium
Neoplasms
Pelvic Pain
Hematuria
Hemangioma
Urinary Bladder Neoplasms
Radiotherapy
Referral and Consultation

Keywords

  • Angiosarcoma
  • Bladder
  • Epithelioid hemangioendothelioma
  • Hemangioma
  • Masson vegetant hemangioendotheliomas
  • Papillary endothelial hyperplasia
  • Vascular lesions

ASJC Scopus subject areas

  • Anatomy
  • Pathology and Forensic Medicine
  • Surgery
  • Medicine(all)

Cite this

A series of vascular tumors and tumorlike lesions of the bladder. / Tavora, Fabio; Montgomery, Elizabeth A; Epstein, Jonathan Ira.

In: American Journal of Surgical Pathology, Vol. 32, No. 8, 08.2008, p. 1213-1219.

Research output: Contribution to journalArticle

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