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Hemangiopericytoma is an aggressive mesenchymally derived tumor with oval nuclei with scant cytoplasm. There is dense intercellular reticulin staining. Tumor cells can be fibroblastic, myxoid, or pericytic. These tumors, in contrast to meningiomas, do not stain with epithelial membrane antigen.
Meningioma seen at autopsy, as a tumor of the dura mater extending into the cranial cavity, and can be detached from the bone along with the rest of the dura mater. Small tumors (e.g., < 2.0 cm) usually are incidental findings at autopsy without having caused symptoms. Larger tumors may cause symptoms, depending on the size and location.
Because many symptoms of cancer are gradual in onset and general in nature, cancer screening (also called cancer surveillance) is a key public health priority. This may include laboratory work, physical examinations, tissue samples, or diagnostic imaging tests that a community of experts recommends be conducted at set intervals for particular ...
Lung cancer, breast cancer, and malignant melanoma comprise the majority of solid tumors spreading to the leptomeninges. Although rare, meningeal carcinomatosis can arise from cervical cancer. [ 16 ] Only eight cases of MC arising from squamous cell carcinoma of the uterine cervix are previously reported in the literature.
Histology must be used to make the diagnosis because the tumor may be hard to differentiate from other neoplasms with similar characteristics. [7] Histologically, hemangiopericytoma is characterized by staghorn-shaped blood vessels and sponge-like sinusoidal vasculature that are randomly linked and encircled by ovoid, short spindle-shaped cells. [8]
Symptomatic features of paraneoplastic syndrome cultivate in four ways: endocrine, neurological, mucocutaneous, and hematological.The most common presentation is a fever (release of endogenous pyrogens often related to lymphokines or tissue pyrogens), but the overall picture will often include several clinical cases observed which may specifically simulate more common benign conditions.