Clinical study of thyroid diseases and usefulness of topographical imaging.

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We analyzed clinically 110 cases of thyroid diseases treated surgically in our hospital from 1982 to 1986 and evaluated the usefulness of topographical imaging such as ultra-sound sonography, radio-isotope scintigraphy and CT-scanning in the preoperative diagnosis.1) Females predominated in all types of thyroid disease; the male/female ratio was 1:4.2.2) The disease was benign in 54 cases and malignant in 56. (1:1.04 ratio) Tumors were noted in 80 patients (74%).3) Malignant tumors were of the papillary type in 64%, follicular in 21%. A differentiated type of histology was seen in 96% of malignant tumors.4) Malignant tumors were found in 74% of the male patients.5) The most useful imaging technique for the diagnosis of malignancy was a combination of 201T1-chloride delaycd scan and ultra-sound sonography. CT-scanning was useful for diagnosing tumor localization and invasion.
耳鼻咽喉科臨床学会の論文