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Biomedical subjects

D W Collison

Publications and source records attributed to D W Collison.

3 recordsLinked to original sources
PubMed1992

Matricectomy.

Removal of the nail matrix is indicated in a variety of recalcitrant conditions in which the growth of the nail plate causes mechanical problems such as recurrent onychocryptosis or pain due to pinching or pressure. Before performing a matricectomy, the physician must consider the use of nonsurgical methods and the possible contraindications to surgery. Once the decision for matricectomy is made, the physician should then utilize the modality with the least morbidity and greatest convenience for the patient. A wide repertoire of methods of matricectomy is available for use; all methods, when performed properly, have similar high rates of cure.

Humans↗
PubMed1990

Successful embolization of multiple AV foot lesions--a case history.

A 39-year-old white female with multiple arteriovenous malformations of the left foot had had surgical ligation on her left dorsalis pedis artery at age 12 with no clinical improvement. She was placed into a leotard at age 16 and was able to function but would tire very easily and her left foot was twice the size of her right one. In May 1988, she had four large feeder vessels off the posterior tibial artery and two off the anterior tibial artery embolized by use of 1,000 microns PVA particles, occlusive spring coils, and detachable balloons. Her foot shrunk and is now smaller than her normal right foot; she does not tire, and she now wears a knee length stocking to help prevent other channels from opening.

Adult↗