ulex/necrosis

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Hepatic sinusoidal endothelium: Ulex lectin binding.

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The sinusoidal endothelial cells of human liver can be identified by light and electron microscopy, but there appear to be no specific immunocytochemical markers of these cells. Among specific markers available for vascular endothelial cells in general, Ulex europaeus I lectin (UEA I) is the most

Microvascular obstruction in avascular necrosis. Immunohistochemistry of 14 femoral heads.

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14 femoral heads with late stage avascular necrosis of different etiologies were histologically examined, with special attention to vascular structures. Decalcified slices were stained with hematoxylin-eosin, safranin-O, van Gieson stain, and Martius Scarlet Blue. Immunohistochemical techniques with

Decreased in the number and function of circulation endothelial progenitor cells in patients with avascular necrosis of the femoral head.

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BACKGROUND Once non-traumatic avascular necrosis of the femoral head (ANFH) happened, vascular impairment and feeble collateral circulation are followed by poor outcomes. Circulating endothelial progenitor cells (EPCs) may substantially contribute to vascular homeostasis such as vascular repair and

Antiangiogenic effects of anti-tumor necrosis factor alpha therapy with infliximab in psoriatic arthritis.

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OBJECTIVE Neovascularization, with an increased number of synovial vessels with a characteristic morphology, seems to contribute to the progression of psoriatic arthritis (PsA). Accordingly, angiogenesis may be an important therapeutic target in PsA. The aim of this study was to analyze the effects

Fatal poorly differentiated angiosarcoma of the scalp.

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Cutaneous angiosarcoma is a very rare but aggressive tumor. Angiosarcoma of the scalp is very rare, and a review of the world literature revealed less than 60 cases. Here, the author reports a case of poorly differentiated angiosarcoma of the scalp. The pathological diagnosis was very difficult. A

Limb ischaemia after intra-arterial injection of Temazepam gel: histology of nine cases.

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OBJECTIVE To record the histopathological findings associated with intra-arterial injection of Temazepam gel by nine drug misusers. METHODS Standard histological examination and immunocytochemistry for endothelial markers (factor VIII related antigen, Ulex europaeus lectin) were carried

Epithelioid haemangioendothelioma of the thyroid gland: a case report and review of literature.

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OBJECTIVE This is a hitherto unreported case of an epithelioid haemangioendothelioma of the thyroid gland. RESULTS The patient was a 44-year-old woman who presented with a right thyroid mass. A right subtotal thyroidectomy was performed. Histologically the lesion had characteristic epithelioid and

Multifocal epithelioid angiosarcoma of bone: a potential pitfall in the differential diagnosis with metastatic carcinoma.

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A case of multifocal epithelioid angiosarcoma of the femur, tibia, fibula, and astragalus in a 54-year-old man is reported. The tumor was composed of nests and cords of malignant cells with epithelioid morphology, with foci of vascular differentiation, necrosis, and hemorrhage. By

[Bellini duct carcinoma of the kidney: a case report].

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This is a report of a case of Bellini duct carcinoma of the kidney. A 72-year-old male was admitted to our hospital for the treatment of left renal tumor. The abdominal computed tomographic scan showed hypoattenuating tumor with infiltrative spread into the renal cortex. The renal angiography

Lymphatics in primary cutaneous melanoma.

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Using Ulex europaeus I lectin (UEA1) to demonstrate endothelial cells, we have previously shown that frequency of capillary invasion correlates closely with maximum tumor thickness in primary cutaneous melanoma. UEA1 demonstrates both vascular and lymphatic capillaries; however, only vascular

Intestinal villous M cells: an antigen entry site in the mucosal epithelium.

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M cells located in the follicle-associated epithelium of Peyer's patches (PP) are shown to be the principal sites for the sampling of gut luminal antigens. Thus, PP have long been considered the gatekeepers of the mucosal immune system. Here, we report a distinct gateway for the uptake of gut

Aggressive epithelioid hemangioendothelioma of the lower extremity: a case report and review of the literature.

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A case of epithelioid hemangioendothelioma (EHE) of the left lower extremity in a 50-year-old male is discussed. The neoplasm presented as a tan-purple, painful mass involving the fourth digit of the left foot. Following an excisional biopsy and partial amputation of the fourth digit, the lesion

Primary intraoral epithelioid hemangioendothelioma presenting in childhood: review of the literature and case report.

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Epithelioid hemangioendothelioma (EH) is a recently described vascular neoplasm of borderline or intermediate malignant potential. This tumor arises from medium- to large-sized vessels, primarily involves the soft tissues of the extremities as well as the liver and lung, and rarely occurs in the

Cytology of angiosarcoma. Findings in fourteen fine-needle aspiration biopsy specimens and one pleural fluid specimen.

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We report the cytologic features of 15 cases of angiosarcoma from various sites and include 14 fine-needle aspiration (FNA) biopsy specimens and 1 pleural fluid specimen. Six were initial diagnoses with histologic confirmation; an additional case in the liver was an initial diagnosis without tissue

Isolation and characterization of microvessel endothelial cells from human mammary adipose tissue.

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A method for the isolation and long-term culture of human microvessel endothelial cells from mammary adipose tissue (HuMMEC) obtained at breast reduction surgery has been developed. Pure cultures of HuMMEC were isolated by sequential digestion of the fat with collagenase and trypsin followed by

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