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In modern English, tumor (non-US spelling: tumour) is used as a synonym for a neoplasm (a solid or fluid-filled cystic lesion that may or may not be formed by an abnormal growth of neoplastic cells) that appears enlarged in size. [12] [13] Some neoplasms do not form a tumor; these include leukemia and most forms of carcinoma in situ.
On histology, giant cells of fused osteoclasts are seen as a response to neoplastic mononucleated cells. Notably, giant cells are not unique among benign bone tumors to giant cell tumors of bone. Molecular characteristics of the neoplastic cells causing giant cell tumors of bone indicate an origin of pluripotent mesenchymal stem cells that ...
Hematological malignancies are malignant neoplasms ("cancer"), and they are generally treated by specialists in hematology and/or oncology. In some centers "hematology/oncology" is a single subspecialty of internal medicine while in others they are considered separate divisions (there are also surgical and radiation oncologists).
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.
Malignant mesothelioma and non-squamous non-small cell lung cancer. Myelosuppression, renal impairment, peripheral neuropathy, supraventricular tachycardia (uncommon), hepatitis (rare), colitis (rare), pneumonitis (rare), radiation recall (rare), Stevens–Johnson syndrome (rare) and toxic epidermal necrolysis (rare). Pralatrexate: IV
Ischaemic fasciitis, previously termed atypical decubital fibroplasia or decubital ischemic fasciitis, was thought to be a non-neoplastic lesion and to occur only in the deep subcutaneous tissue at pressure points or bone prominences but more recently has been found to be a benign neoplasm that can occur in a wider range of tissue sites. [5] [6]
This leads to an inflammatory response, hence the alternative names neoplastic meningitis (NM), malignant meningitis, or carcinomatous meningitis. [2] [3] The term leptomeningeal (from the Greek lepto, meaning 'fine' or 'slight') describes the thin meninges, the arachnoid and the pia mater, between which the cerebrospinal fluid is located. [4]
Pseudo-Cushing's syndrome or non-neoplastic hypercortisolism is a medical condition in which patients display the signs, symptoms, and abnormal cortisol levels seen in Cushing's syndrome.