The familial nature of supernumerary teeth is discussed in this paper and illustrated with a report showing the development of supernumeraries in siblings. The orthodontic treatment and possible sequelae to the development of supernumerary teeth in the premolar region is highlighted.

Studies suggest that fine needle aspiration of thyroid nodules is a sensitive and specific tool for the detection of thyroid cancers thus preventing unnecessary operations. This technique was introduced in our institution in 1987 and performed where indicated under strictly defined criteria. We reviewed the aspirates performed over a 36 month period to critically evaluate the role of this procedure. Review was limited to F.N.A.s of nodules considered to be potentially malignant by conventional criteria and hence all the following criteria needed to be fulfilled: (1) solitary or dominant nodules in a multinodular goitre, (2) cold on isotope scanning, (3) solid or complex cystic nodule on ultrasonography. During the period May 1987 to May 1990 88 aspiration procedures were performed on 77 patients. 93% of the 77 patients had adequate aspirates and of these approximately 30% were considered suspicious or malignant. The overall resection rate was 23.4% which is approximately one third of the rate expected should suspicion have been based solely on conventional imaging criteria. The yield of neoplasia (adenoma and carcinoma) at resection was 89%. We found FNA to be a very useful adjunct in the management of nodular thyroid disease when used in conjunction with clinical laboratory and radiological evaluation. It is safe, inexpensive and provides useful additional information towards making appropriate decisions in an area beset with uncertainty.

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