Composite Hemangioendothelioma (CHE) is a new entity classified under the Heman gioendothelioma (HE) group of tumours. It is an extremely rare vascular neoplasm of low to moderate malignancy. Very few cases have been described in the literature.
View Article and Find Full Text PDFIntroduction: Dengue affects more than 50 million people per year and is one of the most common causes of severe thrombocytopaenia. Thrombocytopaenia is a common complication of dengue and other viral fevers apart from malaria, typhoid, leptospirosis, leukaemia and megaloblastic anaemia. A platelet count of <20,000/μl is characteristically seen in dengue haemorrhagic fever and dengue fever.
View Article and Find Full Text PDFIndian J Pathol Microbiol
March 2017
Pseudoangiomatous spindle cell lipoma is a rare variant of spindle cell lipoma. It exhibits irregular and branching spaces with villiform connective tissue projections, leading to formation of a characteristic angiomatoid pattern in addition to benign spindle cells and mature adipocytes. Recent studies have shown that these branching spaces are lined by endothelial cells and express markers.
View Article and Find Full Text PDFEccrine porocarcinoma (EPC) is a potentially lethal neoplasm of the skin that arises from the intraepidermal portion of the eccrine sweat glands. It was previously known as eccrine adenocarcinoma or malignant eccrine poroma. It commonly occurs between 60 to 80 years of age, usually arising from hands and feet.
View Article and Find Full Text PDFAngiokeratomas are rare benign vascular skin lesions arising in isolation or in groups of multiple lesions, as solitary cutaneous forms or generalized systemic forms. They are ectasias of dermal capillaries with an acanthotic and hyperkeratotic epidermis. They can occur in both healthy individuals and in those with underlying systemic disease due to inherited enzyme deficiency or other acquired predisposing factors.
View Article and Find Full Text PDFJ Oral Maxillofac Pathol
June 2015
Basal cell adenoma (BCA) is a rare benign epithelial tumor of the salivary gland, displaying monomorphic basaloid cells without a myxochondroid component, representing 1-3% of all salivary gland neoplasms seen predominantly in women over 50 years of age. It is uncommon in young adults. Cytodiagnosis of basaloid tumors chiefly basal cell adenoma of the salivary gland, is extremely challenging.
View Article and Find Full Text PDFNerve sheath myxoma defined by Harkin and Reed is an uncommon benign neoplasm with nerve sheath like features. It has several cytological and histological differential diagnoses. One such lesion is neurothekeoma, which can be differentiated using immunohistochemistry.
View Article and Find Full Text PDFSinus histiocytosis with massive lymphadenopathy or Rosai-Dorfman disease (RDD) is a reactive condition of unknown etiology, characterised by a proliferation of histiocytes exhibiting emperipolesis of lymphocytes and plasma cells. It usually presents as bilateral painless cervical lymphadenopathy. Extranodal RDD without nodal disease is seen in 23% of the cases.
View Article and Find Full Text PDFFibroadenomas with a predominant cystic change are called cystic fibroadenomas. These are extremely rare forms of fibroadenomas and only one case has been reported so far. They are classified under the category of complex fibroadenomas.
View Article and Find Full Text PDFJ Clin Diagn Res
December 2013
"Soft tissue giant cell tumour of low malignant potential" is considered as the soft tissue counterpart of osteoclastoma of the bone. It is a primary soft tissue tumour which is classified under the category of fibrohistiocytic tumours of intermediate malignancy.Seventy percent of the tumours involve the extremities and only about seven percent of them arise in head and neck region.
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