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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]
Gastrointestinal pathology (including liver, gallbladder and pancreas) is a recognized sub-specialty discipline of surgical pathology.Recognition of a sub-specialty is generally related to dedicated fellowship training offered within the subspecialty or, alternatively, to surgical pathologists with a special interest and extensive experience in gastrointestinal pathology.
Bone diseases include non-neoplastic disorders, which are diseases that are not caused by abnormal growths such as cancer. These consist of genetic diseases, osteoporosis, infections of the bone, and Paget's disease of bone .
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.
Some polyps are tumors and others are non-neoplastic, for example hyperplastic or dysplastic, which are benign. The neoplastic ones are usually benign, although some can be pre-malignant, or concurrent with a malignancy. The name is of ancient origin, in use in English from about 1400 for a nasal polyp, from Latin polypus through Greek. [1]
The characteristic radiologic finding of giant cell tumors of bone is a lytic lesion that does not have marginal sclerosis of bone. 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.
Other conditions where they are present include osteosarcoma, non-Hodgkin lymphoma, fibromyxoid sarcoma, medullary thyroid carcinoma, embryonal tumor with abundant neuropil and true rosettes (ETANTR), rhabdomyosarcoma, chronic cholestasis and chronic active hepatitis, tobacco rosette: complex viral disease, malaria, adenocarcinoma in colon and ...
Pulmonary pathology is a subspecialty of anatomic (and especially surgical) pathology that deals with diagnosis and characterization of neoplastic and non-neoplastic diseases of the lungs and thoracic pleura.