| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
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| OHD | hydroxyvitamin D; Office of Human Development; Ondine-Hirschsprung disease; organic heart disease |
| PAIN | pyoderma gangrenosum, aphthous stomatitis, inflammatory eye disease, erythema nodosum [disorders ass... |
| PAOD | peripheral arterial occlusive disease; peripheral arteriosclerotic occlusive disease |
| PKD | polycystic kidney disease; proliferative kidney disease |
| parasitic disease | A disease due to the presence and vital activity of a parasite, or as a reaction to a parasite. (05 Mar 2000) |
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| parasitic eosinophilic lung disease | <radiology> All are metazoans (mostly nematodes), Ascaris, Strongyloides, Ancyclostoma, Schistosoma, tropical pulmonary eosinophilia, pulmonary larva migrans (12 Dec 1998) |
| Marie's disease | A hypertrophic osteopathy of dogs in which osseous changes of the limbs are associated with intrathoracic lesions such as pulmonary neoplasms; also occurs in horses, cattle, and sheep. (05 Mar 2000) |
| Marie-Strumpell disease | <rheumatology> A polyarthritis involving the spine, which is characterised by progressive, painful stiffening of the joints and ligaments. It almost exclusively affects young men. Interestingly the disease seems to be associated with HLA B27, those with this histocompatability antigen are 300 times more likely to get the disease, 90% of sufferers have HLA B27 (18 Nov 1997) |
| Marion's disease | A congenital obstruction of the posterior urethra. (05 Mar 2000) |
| Recklinghausen's disease of bone | Rarefying osteitis with fibrous degeneration and formation of cysts, and with the presence of fibrous nodules on the affected bones. It is due to marked osteoclastic activity secondary to hyperfunction of the parathyroid glands. (12 Dec 1998) |
| Recklinghausen's disease type I | type 2 neurofibromatosis |
| Gerhardt-Mitchell disease | Disease marked by paroxysmal, bilateral vasodilatation, particularly of the extremities, with burning pain, and increased skin temperature and redness. (12 Dec 1998) |
| Gerhardt's disease | Disease marked by paroxysmal, bilateral vasodilatation, particularly of the extremities, with burning pain, and increased skin temperature and redness. (12 Dec 1998) |
| vertebral-basilar artery disease | <cardiology> Aortic arch syndrome, also referred to by many as vertebral-basilar artery disease, carotid artery occlusive syndrome and subclavian steal syndrome is characterised by a constellation of signs and symptoms which occur secondary to abnormalities in the major arteries which extend off of the aortic arch. These abnormalities are structural and most often secondary to the effects of atherosclerosis, blood clots, trauma or a congenital abnormality. Symptoms of this condition include various neurologic symptoms, reduction in pulse and changes in blood pressure. (27 Sep 1997) |
| Gerlier's disease | A paroxysmal attack of severe vertigo, not accompanied by deafness or tinnitus, which affects young to middle-aged adults, often following a non-specific upper respiratory infection; due to unilateral vestibular dysfunction. Synonym: endemic paralytic vertigo, epidemic vertigo, Gerlier's disease, kubisagari, kubisagaru, paralyzing vertigo. (05 Mar 2000) |
| Martin's disease | A periosteoarthritis of the foot from excessive walking. (05 Mar 2000) |
| Carrington's disease | <radiology> Idiopathic, associated with allergies and desensitization, variant of Loeffler pneumonia, treatment: corticosteroids Findings: reverse pulmonary oedema pattern (= Loeffler's), areas of consolidation persists (days to weeks) see: eosinophilic lung disease (12 Dec 1998) |
| Carrion's disease | A generalised, acute, febrile, endemic, and systemic form of bartonellosis; marked by high fever, rheumatic pains, progressive, severe anaemia, and albuminuria. Synonym: Carrion's disease. (05 Mar 2000) |
| gestational trophoblastic disease | (choriocarcinoma, molar pregnancy) a type of cancer associated with pregnancy in which a grape-like mole develops in the womb instead of a foetus. (16 Dec 1997) |