| haemorrhagic brain metastases | <radiology> Intratumoural haemorrhage most likely to be high-density, well circumscribed mass, melanoma, thyroid carcinoma, renal carcinoma, choriocarcinoma (12 Dec 1998) |
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| haemorrhagic bronchitis | Chronic bronchitis due to infection with spirochetes (though other bacteria are usually present and contribute to the infection) and characterised by cough and bloody sputum. Synonym: bronchopulmonary spirochetosis, bronchospirochetosis, Castellani's bronchitis. (05 Mar 2000) |
| haemorrhagic colitis | Abdominal cramps and bloody diarrhoea, without fever, attributed to a self-limited infection by a strain of Escherichia coli. (05 Mar 2000) |
| haemorrhagic cyst | A cyst containing blood or resulting from the encapsulation of a haematoma. Synonym: blood cyst, haematocele, haematocyst, sanguineous cyst. (05 Mar 2000) |
| haemorrhagic cystitis | Bladder inflammation with macroscopic haematuria. Generally the result of a chemical or other traumatic insult to the bladder (chemotherapy, radiation therapy). (05 Mar 2000) |
| haemorrhagic diathesis | <haematology> Haemorrhagic diathesis is a condition where the patient is more prone to bleeding than normal. This can be the result of a genetic disease such as haemophilia, or the result of malnutrition such as the lack of vitamin C (resulting in scurvy) or of vitamin K. (09 Oct 1997) |
| haemorrhagic disease of deer | A haemorrhagic disease of certain deer of the central and eastern United States, caused by an orbivirus, a member of the Reoviridae, and characterised by multiple haemorrhages, shock, and trauma; infection is thought to be arthropod-borne. Synonym: haemorrhagic disease of deer. (05 Mar 2000) |
| haemorrhagic disease of newborn | A self-limited haemorrhagic disorder of the first days of life, caused by a deficiency of the vitamin k-dependent blood coagulation factors II, vii, ix, and x. (12 Dec 1998) |
| haemorrhagic disease of the newborn | A syndrome characterised by spontaneous internal or external bleeding accompanied by hypoprothrombinaemia, slightly decreased platelets, and markedly elevated bleeding and clotting times, usually occurring between the third and sixth days of life and effectively treated with vitamin K. (05 Mar 2000) |
| haemorrhagic disease virus, epizootic | A species of orbivirus causing a fatal disease in deer. It is transmitted by flies of the genus culicoides. (12 Dec 1998) |
| haemorrhagic disease virus, rabbit | A virus species in the genus calicivirus which causes haemorrhagic disease, including haemorrhagic septicaemia, in rabbits. (12 Dec 1998) |
| haemorrhagic endovasculitis | Endothelial and medial hyperplasia of placental blood vessels with thrombosis, fragmentation, and diapedesis of red blood cells resulting in stillbirth or foetal developmental disorders. (05 Mar 2000) |
| haemorrhagic enteritis | A disease of turkeys caused by an adenovirus and characterised by splenomegaly and intestinal haemorrhage. (05 Mar 2000) |
| haemorrhagic exudative erythema | <dermatology> This relatively rare disorder is characterised by skin purpura, joint pains, abdominal pain and renal disease (glomerulonephritis). Although Henoch-Schonlein purpura or anaphylactoid purpura, is thought to be a immune complex mediated disease, its exact cause is unknown. Its typical benign coarse can, however, include renal failure. (27 Sep 1997) |
| haemorrhagic fever | A syndrome that occurs in perhaps 20-40% of infections by a number of different viruses of the families Arenaviridae (Lassa fever, Bolivian haemorrhagic fever, Argentinean haemorrhagic fever), Bunyaviridae (Crimean-Congo haemorrhagic fever), Flaviviridae (Dengue haemorrhagic fever, Omsk haemorrhagic fever), Filoviridae (Ebola fever, Marburg virus disease), etc. Some types of haemorrhagic fever are tick-borne, others mosquito-borne, and some seem to be zoonoses; clinical manifestations are high fever, scattered petechiae, gastrointestinal tract and other organ bleeding, hypotension, and shock; kidney damage may be severe, especially in Korean haemorrhagic fever and neurologic signs may appear, especially in the Argentinean-Bolivian types. Five types of haemorrhagic fever are transmissible person-to-person: Bolivian haemorrhagic fever, Lassa fever, Ebola fever, Marburg virus disease, and Crimean-Congo haemorrhagic fever. See: epidemic haemorrhagic fever. Synonym: Ebola haemorrhagic fever. (05 Mar 2000) |