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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 ...
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.
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]
Reacts with DNA, inducing apoptosis, non-cell cycle specific. Germ cell tumours (including testicular cancer), ovarian cancer, cervical cancer, small cell and non-small cell lung cancer, mesothelioma, squamous cell head and neck cancer, oesophageal cancer, gastric cancer, bladder cancer and osteosarcoma
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.
The modifier “pseudo” differentiates this pattern from the Homer Wright and Flexner-Wintersteiner rosettes, perhaps because the central structure is not actually formed by the tumor itself, but instead represents a native, non-neoplastic element.
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]
Interventional pulmonology (IP, also called interventional pulmonary medicine) is a maturing medical sub-specialty from its parent specialty of pulmonary medicine.It deals specifically with minimally invasive endoscopic and percutaneous procedures for diagnosis and treatment of neoplastic as well as non-neoplastic diseases of the airways, lungs, and pleura.