| erythema multiforme | <dermatology> A rash that results from an allergic response, most often secondary to a drug. The rash is described as pink-red macules (flat), that may have clear centres (iris lesions) or appear as a dusky violet colour. Erythema multiforme most often results from reactions to sulpha drugs, penicillin's, phenytoin, barbiturates, phenolphthalein and carbamazepine. In some cases, erythema multiforme can result secondary to a Herpes simplex infection or Mycoplasma infection. (27 Sep 1997) |
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| erythema multiforme bullosum | <syndrome> This is a severe form of allergic reaction that most often results from a medication (for example penicillins). The rash can be generalised and even appear on the palms of the hands and soles of the feet. Stevens-Johnson syndrome is considered to be a variant of erythema multiforme that results in the formation of bullous (blebs) lesions on the soles of the feet, palms and inside the mouth. Stevens-Johnson syndrome may also occur in association with some viral infections and Mycoplasma infections. (27 Sep 1997) |
| erythema multiforme exudativum | <syndrome> This is a severe form of allergic reaction that most often results from a medication (for example penicillins). The rash can be generalised and even appear on the palms of the hands and soles of the feet. Stevens-Johnson syndrome is considered to be a variant of erythema multiforme that results in the formation of bullous (blebs) lesions on the soles of the feet, palms and inside the mouth. Stevens-Johnson syndrome may also occur in association with some viral infections and Mycoplasma infections. (27 Sep 1997) |
| erythema multiforme major | <syndrome> This is a severe form of allergic reaction that most often results from a medication (for example penicillins). The rash can be generalised and even appear on the palms of the hands and soles of the feet. Stevens-Johnson syndrome is considered to be a variant of erythema multiforme that results in the formation of bullous (blebs) lesions on the soles of the feet, palms and inside the mouth. Stevens-Johnson syndrome may also occur in association with some viral infections and Mycoplasma infections. (27 Sep 1997) |
| glioblastoma multiforme | <oncology, tumour> A malignant brain tumour that accounts for 75% of glial tumours (arising from glial cells in the brain). Treatment is difficult and consists of a combination of radiation therapy and surgery. (17 Dec 1997) |
| granuloma multiforme | A chronic granulomatous annular eruption of the skin on the upper body in older adults in central Africa; of unknown cause. (05 Mar 2000) |
| Eubacterium multiforme | A species isolated from the faeces of a dog and from soil from equatorial Africa; it is not pathogenic for guinea pigs. Formerly called Cillobacterium multiforme. (05 Mar 2000) |
| bullous | <pathology> Pertaining to or characterised by bullae. (18 Nov 1997) |
| bullous congenital ichthyosiform erythroderma | Diffusely red, eroded skin at birth, with subsequent scaling, tending to improve in later life, characterised by generalised epidermolytic hyperkeratosis and autosomal dominant inheritance. See: epidermolytic hyperkeratosis. Synonym: generalised epidermolytic hyperkeratosis, ichthyismus hystrix, ichthyosis hystrix. (05 Mar 2000) |
| bullous diseases of oesophagus | <radiology> Epidermolysis bullosa dystrophica, autosomal recessive, presents in infancy or later life, epidermal-dermal separation, with or without anal strictures, Treatment: conservative, soft diet, benign mucous membrane (cicatricial) pemphigoid, not pemphigus vulgaris, not bullous pemphigoid, females (2:1), elderly (12 Dec 1998) |
| bullous emphysema | Emphysema in which the enlarged airspaces are one to several cm in diameter, often visible on chest radiographs. Thin-walled air sacs under tension compress pulmonary tissue, either single or multiple. Sometimes amenable to surgical resection with improvement in pulmonary function. (05 Mar 2000) |
| bullous fever | An obsolete term for a pyogenic infection due to local trauma, that responds to antibiotic therapy; if untreated, the condition may become extensive and the patient seriously ill. Synonym: bullous fever. (05 Mar 2000) |
| bullous impetigo of newborn | Usually, widely disseminated bullous lesions appearing soon after birth, caused by infection with Staphylococcus aureus. Synonym: impetigo neonatorum, pemphigus gangrenosus. (05 Mar 2000) |
| bullous keratopathy | Oedema of the corneal stroma and epithelium; occurs in Fuchs' epithelial dystrophy, advanced glaucoma and iridocyclitis, and sometimes after intraocular lens implantation. (05 Mar 2000) |
| bullous myringitis | <pathology> An infectious disorder of the eardrum resulting in painful blisters on the surface of the tympanic membrane. Can be a feature of otitis media caused by Mycoplasma infection. (27 Sep 1997) |