| intracranial pressure | <physiology> The pressure the cerebrospinal fluid exerts on the brain. (27 Sep 1997) |
|---|---|
| intracranial tuberculoma | <neurology> A well-circumscribed mass found cortically or subcortically in the cerebral or cerebellar hemispheres. In under-developed countries where tuberculosis is endemic these lesions are quite common. Management of intracranial tuberculomas includes antituberculosis chemotherapy and neurosurgical evacuation of tuberculomas singly or in combination. (04 Jul 2000) |
| extracranial-intracranial bypass | A vascular shunt created by the anastomosis of an extracranial vessel to an intracranial vessel, usually, the superficial temporal artery to a cortical branch of the middle cerebral artery. (05 Mar 2000) |
| admixture lesion | <radiology> Cyanosis and increased pulmonary blood flow, transposition (TGV), truncus arteriosis, TAPVR, tricuspid atresia (sort of intracardiac TAPVR) (12 Dec 1998) |
| andersson lesion | <radiology> Discovertebral fracture, seen in ankylosing spondylitis (12 Dec 1998) |
| Baehr-Lohlein lesion | Focal embolic glomerulonephritis occurring in bacterial endocarditis. Synonym: Baehr-Lohlein lesion. (05 Mar 2000) |
| benign lymphoepithelial lesion | Benign tumour-like masses of lymphoid tissue in the parotid gland, containing scattered small, mainly solid islands of epithelial cells. Synonym: Godwin tumour. (05 Mar 2000) |
| Bracht-Wachter lesion | A focal collection of lymphocytes and mononuclear cells within the myocardium in bacterial endocarditis. (05 Mar 2000) |
| bright t1 lesion | <radiology> (short T1), fat (lipoma, dermoid), sub-acute haemorrhage (metHb), paramagnetic agent (Gd, ? posterior pituitary), proteinaceous fluid (colloid cyst) most abnormalities cause long T1 and T2 (dark/bright) see also: dark T2 lesion (12 Dec 1998) |
| bubbly bone lesion | <radiology> Fibrous dysplasia, enchondroma, giant cell tumour (GCT), non-ossifying fibroma, osteoblastoma, myeloma, aneurysmal bone cyst (ABC), angioma, simple (solitary, unicameral) bone cyst, hyperparathyroid cyst, infection (Brodie's abscess; coccidioidomycosis; echinococcus), chondromyxoid fibroma, chondroblastoma mnemonic: FEGNOMASHIC (!!) (12 Dec 1998) |
| radial sclerosing lesion | A variant of sclerosing adenosis of the breast with central scar formation and radiating hyperplastic ducts. Synonym: radial scar. (05 Mar 2000) |
| Mallory-Weiss lesion | Laceration of the gastric cardia, as seen in the Mallory-Weiss syndrome. Synonym: Mallory-Weiss tear. (05 Mar 2000) |
| gelatinous lesion | A small area of oedema in the arterial intima, possibly a precursor of a fibrous plaque. (18 Nov 1997) |
| Ghon's primary lesion | Calcification seen in pulmonary parenchyma (usually mid-lung area) and hilar nodes resulting from earlier, usually childhood, infection with tuberculosis. Synonym: Ghon's complex, Ghon's focus, Ghon's primary lesion. (05 Mar 2000) |
| GI-tract target lesion | <radiology> Metastatic melanoma, primary neoplasm, spindle cell tumour (benign or malignant), lymphoma, carcinoid, carcinoma, metastasis, breast carcinoma, lung carcinoma, renal carcinoma, Kaposi's sarcoma, eosinophilic granuloma, ectopic pancreas (12 Dec 1998) |