Cases reported "Hemangiosarcoma"

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1/18. 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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2/18. Angiosarcoma arising from skeletal haemangiomatosis in an atomic bomb survivor.

    The authors report a unique case in which an angiosarcoma arose from skeletal haemangiomatosis in a 72 year old man. This patient had a history of atomic bomb irradiation more than 50 years ago. Radiographically, the patient had multiple sclerotic foci of benign haemangiomas in the pelvis, the sacrum, and the left femur. The patient developed a high grade angiosarcoma in the left pubic bone. It is thought that atomic bomb irradiation played an important role in the development of the malignant lesion.
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keywords = angiomatosis
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3/18. Diffuse hepatic angiosarcoma with a portal venous supply mimicking hemangiomatosis.

    We report a case of diffuse hepatic angiosarcoma. Dynamic computed tomography (CT) showed gradual contrast enhancement and homogeneity in the late phase. The tumor was homogeneously hypointense on T1-weighted imaging and hyperintense on T2-weighted imaging, mimicking hemangiomatosis. An angiogram demonstrated intrahepatic arterial encasement, which suggested malignancy. The portal venous supply to the tumor was demonstrated by CT during arterioportography. This probably reflected the continuous infiltration of atypical cells into the dilating sinusoids and may also suggest malignancy.
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ranking = 1
keywords = angiomatosis
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4/18. Localized bacillary angiomatosis in the oral cavity: observations about a neoplasm with atypical behavior. Description of a case and review of the literature.

    Bacillary angiomatosis is a rather frequent infectious pathology appearing mainly in the skin but can also affect the liver, spleen, heart, bones, lungs, muscles, central nervous system and other organs. The localization of the lesion in the oral cavity is rather rare, as it is evident in the literature. Bacillary angiomatosis can be clinically similar to the Kaposi's sarcoma and histologically confused with angiosarcoma, epitheloid hemangioma and pyogenic granuloma. A case of bacillary angiomatosis of the oral cavity in an immuno-competent patient is described. The high tendency to relapse, the capability in migration and to involve several localizations at the same time have induced the authors to deepen the research to exclude the possibility that it could be a Kaposi's sarcoma or a pyogenic granuloma and to get to an accurate diagnosis in order to resolve the disease.
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ranking = 1.4
keywords = angiomatosis
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5/18. Clinicopathological features of unusual vascular lesions of the pelvis, retroperitoneum and colon in females: a report of five cases and review of the literature.

    Vascular lesions comprise benign and malignant neoplasms as well as non-neoplastic conditions that may be located in various sites but only rarely in the pelvis or the retroperitoneum. In our study we describe five diverse and unusual cases of vascular lesions of the pelvis, retroperitoneum and colon in female patients: a case of retroperitoneal angiosarcoma, pelvic hemangioendothelioma, pelvic angiomyxoma, retroperitoneal lymphangioleiomyomatosis and a case of diffuse cavernous hemangiomatosis of the colon, with emphasis on their clinicopathological features and differential diagnosis. The recent literature on the subject is also briefly reviewed.
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ranking = 0.2
keywords = angiomatosis
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6/18. Bacillary angiomatosis presenting as a soft-tissue tumor without skin involvement.

    A patient with human immunodeficiency virus infection presented with a soft-tissue mass which histologically and clinically mimicked an angiosarcoma. Ultrastructural study, however, revealed bacteria identical to those seen in cutaneous bacillary angiomatosis, but the patient had no skin lesions. To our knowledge, this represents the first report of soft tissue involvement by bacillary angiomatosis without the presence of skin lesions.
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ranking = 1.2
keywords = angiomatosis
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7/18. An unusual ciliary body tumour: a haemangioblastoma.

    A 23-year-old woman who presented with blurred vision in her right eye from increasing astigmatism had a vascular ciliary body tumour. After slow growth was documented over a 15-month period the tumour was excised with an iridocyclectomy. Microscopically the tumour consisted of sheets of large polygonal cells with round nuclei and foamy cytoplasm, separated by numerous capillaries, findings consistent with a diagnosis of a haemangioblastoma. Haemangioblastomas occur in the retina in von Hippel's disease and this occurrence in the ciliary body is a rare event. Investigation of the patient with a CT of the head and an abdominal ultrasound revealed no systemic lesions suggestive of systemic angiomatosis or von hippel-lindau disease.
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ranking = 0.2
keywords = angiomatosis
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8/18. Angiosarcoma in a limb with arteriovenous fistulas and elephantiasis.

    Angiosarcoma is a rare malignant tumor of the soft tissues (less than 1% of sarcoma). It may affect various parenchymae (bones, liver, breast), the soft tissues or the skin. In the latter case it may be associated with lymphedema. Onset in the arm is typical with postmastectomy lymphedema (Stewart-Treves syndrome). The forms occurring in limbs with chronic lymphedema not associated with mastectomy are much rarer, with a total of 38 cases occurring in patients with an average age of 46.8 years and with lymphedema present for an average of 20 years. The survival rate for 5 years is 16.6%. The case observed by us had the characteristic onset of the malignant neoplasm on a pre-existing "angiomatosis lymphangiomatosis" pattern also featuring angiographycally detected arteriovenous fistula.
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ranking = 0.4
keywords = angiomatosis
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9/18. Atypical angiomatosis in polyarteritis nodosa.

    Biopsies from an area of livedo reticularis and adjacent to a leg ulcer in a woman with polyarteritis nodosa showed florid angioendothelial proliferation simulating angiosarcoma. This angioproliferative reaction has not been described previously in polyarteritis nodosa. Its microscopic differentiation from angiosarcoma is important.
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ranking = 0.8
keywords = angiomatosis
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10/18. biological factors involved in the clinical features and surgical management of cerebellar hemangioblastomas.

    Sixty-five personal cases of cerebellar hemangioblastomas plus others from the literature making a total of 539 cases are reviewed regarding their clinical, biological and surgical aspects. A variable genetic blastomatous growth potential seems to determine the individual biological behavior of these tumors. Retinal angiomatosis, family incidence, multicentric tumors in the central nervous system and in other organs, and some of the so-called recurrences, are considered within this concept.
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ranking = 0.2
keywords = angiomatosis
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