48% (Beahrs and Sakulsky, 1968). Previously it has been shown that patients with low remnant weight (Michie, Pegg, and Bewsher, 1972), high preoperative antithyroid antibody titres (Irvine and Stewart, 1967), and abundant lymphoid infiltration of the thyroid (Greene, 1950;Levitt, 1951;Greene, 1953) are predisposed to the development of postoperative hypothyroidism.The present histometric study was undertaken to determine whether the structure of the glands at the time of operation bore any relation to the outcome of treatment.
Materials and MethodsThis study was undertaken on 69 female primary thyrotoxic patients for whom subtotal thyroidectomy was regarded as the treatment of choice. The diagnosis of thyrotoxicosis was based on the clinical diagnostic index (Crooks, Murray, and