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Biomedical subjects

E R Ross

Publications and source records attributed to E R Ross.

26 records · Page 2Linked to original sources
PubMed1985

Treatment of subacute osteomyelitis in childhood.

A protocol for the treatment of subacute haematogenous osteomyelitis has been used and evaluated in 71 children. A group of 26 children with a radiologically "aggressive" lesion had biopsy followed by antibiotics and immobilisation for six weeks. A group of 45 children with 48 cavities in the metaphysis or the epiphysis or both was further subdivided according to the presence or absence of clinical signs of pus at subperiosteal level or in a joint. Children with evidence of pus had operation followed by antibiotics and immobilisation while the remaining children were treated similarly but without operation. Intravenous cloxacillin or flucloxacillin and benzylpenicillin were given in hospital for 48 hours and oral antibiotics and immobilisation were then continued at home for six weeks. Staphylococcus aureus was the only pathogen cultured. In all, 91% were cured by a single course of treatment. Of the 48 metaphysial and epiphysial lesions, 77% were treated without operation; and of these, 87% were cured by a single course of treatment, this figure reaching 94% in children under 11 years old.

Adolescent↗
PubMed1984

Endothelial tubuloreticular structures in intracranial germinomas.

In studying three human intracranial germinomas tubuloreticular structures were observed within the cisterns of granular endoplasmic reticulum (RER), as well as occasionally within dilated perinuclear spaces of capillary endothelial cells. These tubuloreticular structures seen as a network of branching, convoluted, tubular profiles appear to originate from amorphous material. The development of these structures could be classified into three stages. In Stage I, the precursor substance appears as dense amorphous material within the cisterns of RER. Stage II is marked by the transformation of the amorphous material to coarse particulate material which aggregates to form tubular units. During the first and second stages, the distended RER that participates in the formation of these structures is accompanied by numerous attached ribosomes and is closely associated with mitochondria. In Stage III, the tubular units fuse with one another to form the tubuloreticular structure. In this third stage both ribosomes and mitochondria are almost absent. As a result of the almost complete disappearance of these organelles at this time, both the attached ribosomes and mitochondria may play an important role in the synthesis of the precursor substance as well as in its transformation to the tubuloreticular structure.

Aged↗
PubMed1984

Open flexor tenotomy for hammer toes and curly toes in childhood.

Sixty-two children were reviewed between 3 and 14 years (average 9.8 years) after flexor tenotomy for curly toes or hammer toes. No patients were aware of loss of flexor power in the toes. In only 5% of 188 toes was the operation unsuccessful. When the cause of failure was identifiable it proved to be that the scar crossed one or more flexor creases. None of the operated toes had an abnormally extended posture; only one toe was stiff and this resulted from tethering by a scar. It is concluded that open flexor tenotomy is an effective method for correcting curly toes and hammer toes in childhood. Pre-operative assessment must demonstrate that the resting length of the flexor tendons is unduly short, and that this shortening is the only cause of the deformity.

Child↗
PubMed1979

Delayed cerebral radionecrosis following treatment of carcinoma of the scalp: clinicopathologic and ultrastructural study.

A 56-year-old female was found to have cerebral radionecrosis four and one-half years following betatron therapy of a carcinoma of the scalp. Angiographic findings revealed irregular narrowing of the pericallosal artery in the site of the lesion. The patient has resumed full activities with no new neurological findings in the six years following radical extirpation of the lesion. Fourteen similar cases are reviewed. Ten of the twelve patients who underwent radical surgery were cured. Radical extirpation soon after making the diagnosis of cerebral radionecrosis appears to be the treatment of choice. Characteristic ultrastructural findings of abnormal vessels are discussed.

Aged↗
PubMedDate not supplied

Cricopharyngeal myotomy: management of cervical dysphagia.

Cricopharyngeal myotomy has gained widespread acceptance as surgical treatment for various forms of cervical dysphagia. The case records of 33 patients who underwent cricopharyngeal myotomy for dysphagia originating from varying underlying diseases are reviewed. The majority of these patients were able to resume oral feeding following myotomy. Analysis of preoperative pharyngoesophageal manometry and contrast radiography identified diagnostic criteria for appropriate case selection.

Adult↗