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Biomedical subjects

A E MacKinnon

Publications and source records attributed to A E MacKinnon.

At least 19 recordsLinked to original sources
PubMed1992

The laparoscope and the undescended testis.

An empty scrotum with an impalpable testis/testes presents a difficult diagnostic and therapeutic problem. Many methods have been used in an attempt at, or as an aid to, the localization of these gonads including venography, ultrasonography, hormone manipulation, and surgical exploration. Laparoscopy has been recommended as an aid to diagnosis. We reviewed our experience with the laparoscope in the diagnosis and management of this problem over a 7-year period. Laparoscopy permitted planning of the approach to orchidopexy, depending on whether the vessels entered the deep inguinal ring. In the latter group 48% of the testes were found to be atrophic. We also found the laparoscope to be of value in performing the first stage of the Fowler-Stephens long loop vas orchidopexy in three cases, with long-term viability of the testes in two of these.

Adolescent↗
PubMed1992

Ovarian cysts and tumours in childhood.

The clinical features of 39 children with ovarian cysts and tumours are presented. Over two-thirds presented as an emergency with abdominal pain. Thirty-four patients had benign ovarian disease. Only two of the five malignant tumours were of primary ovarian origin. Ultrasonography and computed tomographic scanning can be of valuable assistance in diagnosis and planning surgery. The diagnosis of ovarian cysts and tumours should be considered among the less common causes of acute abdominal pain in children.

Adolescent↗
PubMed1991

Acute scrotal swelling in children.

Children with acute scrotal swelling are a common surgical emergency. We reviewed retrospectively the case notes of 143 children seen over a 5-year period. Of these, 60 boys had torsion of an appendage testis, 50 had torsion of the testis, 15 had acute epididymo-orchitis, ten had idiopathic scrotal oedema and eight had undiagnosed scrotal pain. Particular attention is drawn to the age of presentation of the different pathologies, the apparent shorter time to infarction of the testis following torsion in those under 12 years of age, and the association of anal lesions to idiopathic scrotal oedema.

Acute Disease↗
PubMed1990

Pulmonary agenesis associated with fourteen other congenital abnormalities.

Pulmonary agenesis is a rare congenital defect associated with certain previously described anomalies. This is the first case described associated with exomphalos. In addition there were 13 other congenital defects, three of which have not previously been recorded with either condition.

Abnormalities, Multiple↗
PubMed1988

Experience with antisyphon devices: successes and complications.

Results of the use of antisyphon devices in 30 children are presented. Maintenance of a degree of ventricular dilatation was achieved in all 7 out of 10 cases when the device was implanted at the primary procedure and there was follow-up evidence of ventricular size. Sixteen of 20 children in whom the device was implanted for the slit ventricle syndrome became symptom free. However, seldom in this group did the ventricular system re-expand. Complications in each group are discussed.

Cerebrospinal Fluid Shunts↗
PubMed1988

The value of ultrasound screening of the upper urinary tract in hypospadias.

Renal tract ultrasonography was performed in 82 of 111 patients with varying degrees of hypospadias. There were 2 true positive results (2.4%) and 1 false negative (1.2%). However, 2 of these patients would have been fully investigated because of the presence of an anorectal anomaly. The third boy had a pelvic ectopic kidney with no clinical significance. It was concluded that routine ultrasonography is not justified in this condition unless it is severe or there is an associated anomaly.

Abnormalities, Multiple↗
PubMed1986

New cervical approach for tracheopexy.

Deficiency of the tracheal cartilage is known to occur with oesophageal atresia resulting in abnormal compressibility. It does not require treatment unless symptomatic. Symptoms comprise apnoeic or cyanotic spells, often precipitated by feeds, and recurrent chest infections. When other causes such as stricture, recurrent fistula and gastro-oesophageal reflux have been excluded, the abnormality can be diagnosed radiologically and endoscopically. Previously tracheopexy through a lateral thoracic approach has been described. We describe three patients who had a successful tracheopexy through an anterior cervical approach, which is simpler, and a fourth in whom there was partial alleviation.

Cartilage↗
PubMed1986

Progressive hydrocephalus in teenage spina bifida patients.

Many spina bifida patients with shunts for hydrocephalus do not require shunt revisions for several years. These children are often considered to be no longer shunt dependent, only to develop rising intracranial pressure (ICP) requiring surgery in the second decade. We present three patients who, despite never having had a C.S.F. shunt, developed rising intracranial pressure in early teenage years. The diagnosis was delayed because of the lack of appreciation of this clinical entity. One child died, the second suffered permanent neurological damage, and the third recovered completely. We suggest that both shunted and non-shunted patients have a common cause for the late rise in ICP.

Adolescent↗
PubMed1985

Experience with urinary undiversion in patients with neurogenic bladder.

Experience in undiversion of the renal tract in thirteen patients with a neurogenic bladder is presented. All cases had what was intended to be a permanent diversion and many were grossly handicapped. Upper renal tract deterioration continued after surgery in only one patient. The commonest indication for surgery was the inability to achieve a satisfactory stoma. All were either dry or only damp postoperatively.

Adolescent↗
PubMed1979

Pay and parity.

Explore the source record for details and available documents.

Collective Bargaining↗
PubMed1978

Skin closure with polyglycolic acid (Dexon).

Cosmetically satisfactory scars were achieved in 94.5% of skin crease orchidopexy wounds sutured with subcuticular polyglycolic acid. Of twenty-seven similar wounds closed with interrupted black silk sutures 18.5% developed hypertrophy at the medial end.

Adolescent↗