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1/4. Bacillary angiomatosis affecting the oral cavity. Report of two cases and review.

    Bacillary angiomatosis (BA) is an infectious disease characterized by proliferative vascular lesions; it mainly affects hiv-positive patients. Multiple cutaneous nodular lesions together with fever, chills, malaise, anorexia, vomiting and headache are the most important clinical manifestations. It may also involve the heart, liver, spleen, bones, lung, muscles, lymph nodes, central nervous system and other organs. erythromycin, 500 mg four times a day, is the drug of choice. The importance of this lesion lies in its clinical and histological similarity with other diseases. Cutaneous and oral lesions of BA clinically resemble Kaposi's sarcoma (KS). Histopathologically, BA may be confused with angiosarcoma, pyogenic granuloma and epithelioid hemangioma. We report two hiv-positive men with BA lesions in the oral mucosa. diagnosis was confirmed by biopsy and Warthin-Starry silver staining.
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keywords = angiomatosis
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2/4. Bacillary angiomatosis with cutaneous and oral lesions in an hiv-infected patient from the U.K.

    We describe an hiv positive patient with histologically confirmed cutaneous and oral lesions of bacillary angiomatosis, an unusual clinical presentation. As far as we are aware, this is the first reported case of cutaneous bacillary angiomatosis in the U.K.
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keywords = angiomatosis
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3/4. Cystic angiomatosis of bone: a case report.

    Diffuse skeletal cystic angiomatosis is an extremely rare disorder that has not previously been reported in detail in the dental literature. This case report deals with the oral manifestations in a 10-year-old boy. Clinical, radiographic, and computed tomographic examinations showed hyperplasia of the right side of the face. The computed tomographic imaging studies revealed the extent of the jawbone lesions and the adjacent hyperplastic soft tissues. The histologic appearance of the lesions, the course of the disease, and the differential diagnosis are discussed.
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keywords = angiomatosis
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4/4. Histological and ultrastructural study of one case of oral bacillary angiomatosis in hiv disease and review of the literature.

    Bacillary angiomatosis (BA) is a new clinicopathological entity defined as a pseudo-neoplastic capillary proliferation secondary to an opportunistic infection by one of two Rochalimaea sp.: R. quintana or R. henselae. Although BA is a recently recognised entity, numerous cases have been reported. Most of the patients affected are reported to have low absolute CD4 lymphocyte counts associated with AIDS. Yet, very few oral cases associated or not with cutaneous lesions have been reported or simply identified. Histopathological and ultrastructural features of one case of oral BA with gingival and palatal lesions are presented. Clinical aspects of oral BA do not hold pathognomonic features and the lesions may resemble either a reactive lesion of the gingiva, pyogenic granuloma or Kaposi's sarcoma. The lesion is characteristically composed of circumscribed lobular capillary proliferations and the presence of granular amphophilic material on haematoxylin and eosin sections surrounded by neutrophils and neutrophilic debris is a clue to diagnosis. Demonstration of bacilli in the interstitium by the Warthin-Starry silver method or, better, by electron microscopy is diagnostic. BA may contribute to the death of the patient but erythromycin has proved to be very effective treatment.
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ranking = 1
keywords = angiomatosis
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