Medicine · 2024
Post-surgical thyroid bed myofibroma simulating a recurrent papillary thyroid carcinoma: A case report and review of the literature.
ОбзорКлинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Park Jun Hyeon, Yi Kyung Sik, Choi Chi-Hoon, Kim Yook, Lee Jisun, Park Yeongtae, Lee Ok-Jun
Аннотация
RATIONALE: Myofibromas are rare benign spindle cell tumors of the soft tissue, bone, or internal organs that occur at any age. Here, we report a post-surgical thyroid bed myofibroma that mimicked a papillary thyroid carcinoma.
PATIENT CONCERNS: A 56-year-old male presented with a mass in the thyroid surgical bed, detected 3 years post thyroidectomy following papillary carcinoma.
DIAGNOSIS: Thyroid ultrasonography revealed a well-defined, lobulated, hypoechoic, solid nodule, with large rod-like echogenic foci in the thyroid surgical bed. The development of a postoperative suture granuloma was considered. However, ultrasonography performed 12 months later showed a marked increase in the lesion size. Two fine needle aspiration cytology yielded nondiagnostic results.
INTERVENTION: Considering the possibility of local tumor recurrence, surgical resection was performed.
OUTCOME: The diagnosis of a myofibroma was confirmed, and no additional treatment was administered.
LESSONS: It is challenging to differentiate lesions occurring on the thyroid surgical bed after surgery, from recurrent thyroid cancer. A lesion measuring 6 mm, with a degree of punctate echogenicity, suggests tumor recurrence. Moreover, myofibromas are extremely rare. This case highlights that it is advisable to perform a core needle biopsy in cases of nondiagnostic fine needle aspiration results.
PATIENT CONCERNS: A 56-year-old male presented with a mass in the thyroid surgical bed, detected 3 years post thyroidectomy following papillary carcinoma.
DIAGNOSIS: Thyroid ultrasonography revealed a well-defined, lobulated, hypoechoic, solid nodule, with large rod-like echogenic foci in the thyroid surgical bed. The development of a postoperative suture granuloma was considered. However, ultrasonography performed 12 months later showed a marked increase in the lesion size. Two fine needle aspiration cytology yielded nondiagnostic results.
INTERVENTION: Considering the possibility of local tumor recurrence, surgical resection was performed.
OUTCOME: The diagnosis of a myofibroma was confirmed, and no additional treatment was administered.
LESSONS: It is challenging to differentiate lesions occurring on the thyroid surgical bed after surgery, from recurrent thyroid cancer. A lesion measuring 6 mm, with a degree of punctate echogenicity, suggests tumor recurrence. Moreover, myofibromas are extremely rare. This case highlights that it is advisable to perform a core needle biopsy in cases of nondiagnostic fine needle aspiration results.