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Biomedical subjects

L H H Cheng

Publications and source records attributed to L H H Cheng.

5 recordsLinked to original sources

A paediatric case of a solitary fibrous tumour of the parotid gland.

Solitary fibrous tumours are rare and they were first described in the pleura of the lungs. However this rare tumour is being increasingly recognised in the oro-facial region and other extra-pleural sites among adults. We present a paediatric case of a solitary fibrous tumour of the parotid gland in an 11-year-old girl who was also diagnosed as having type I neurofibromatosis.

Child↗

Locating broken dental needles.

Broken dental needles are a rare event. They are difficult to find and remove. We report two cases in which broken needles were located using a simple stereotactic method with the aid of an image intensifier.

Anesthesia, Dental↗

Ultrasonic debridement of contaminated facial wounds.

Contaminated facial wounds can be debrided with the Piezon ultrasonic scaler. The fine scaler tip provides efficient, rapid, precise and thorough removal of ingrained subdermal dirt and grit without the loss of viable facial tissue.

Adolescent↗