The diffuse sclerosing variant of papillary thyroid carcinoma (DSPTC) is uncommon. Herein, we report a rare case of DSPTC in a 9-year-old girl who initially presented with a painless diffuse goiter. Thyroid peroxidase antibody testing yielded positive results, and the initial clinical diagnosis was Hashimoto's thyroiditis. However, thyroid ultrasonography revealed characteristic findings of DSPTC, which was confirmed through the postoperative histopathological diagnosis. Although thyroid cancers are rare in the pediatric population, DSPTC should be included in the differential diagnosis of goiter in these patients. Moreover, ultrasonography may prevent a diagnostic delay and facilitate the detection of a concomitant malignancy.
Incidental ovarian lesions are diagnostic challenges owing to their wide disease spectrum, ranging from normal findings to malignant ovarian tumors. There are several physiologic ovarian lesions that may not require any follow-up or treatment. While some lesions demonstrate their benign nature on imaging, some significant radiologic features may suggest malignant potential. Therefore, precise interpretation of imaging findings and proper recommendations for clinicians by radiologists are essential for managing incidental ovarian lesions to avoid unnecessary examinations or invasive treatments. The aim of this review is to describe the radiologic findings of commonly encountered incidental ovarian lesions on ultrasonography or computed tomography and to explain the management plan according to the stratified risk for malignancy in each ovarian lesion.
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