Collagenous Fibroma at the Surgical Site after Thyroidectomy for Papillary Thyroid Carcinoma
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Collagenous fibroma (CF) is a rare benign tumor that occurs at various anatomical sites includingthe head and neck. CFs are often omitted from differential diagnosis before surgery. We describe a case of CF in a 54-year-old male who presented with a growing neck mass of1-year duration at the site of previous right hemithyroidectomy for papillary thyroid carcinoma(PTC). Although radiologic findings demonstrated a benign tumor, surgical excision wascarried out per patient’s preference and to rule out recurrent thyroid cancer. The mass was severelyadherent to the surrounding muscles, but was resected completely without any injury tothe adjacent structures. Histological studies revealed CF. The postoperative course was uneventfulwithout vocal fold paralysis. CFs can be a diagnostic challenge in preoperative evaluation. Conservative excision was sufficient in most cases without recurrence. Clinicians shouldbe aware of CFs in diagnosis, especially in postoperative site.
Abstract
Collagenous fibroma (CF) is a rare benign tumor that occurs at various anatomical sites includingthe head and neck. CFs are often omitted from differential diagnosis before surgery. We describe a case of CF in a 54-year-old male who presented with a growing neck mass of1-year duration at the site of previous right hemithyroidectomy for papillary thyroid carcinoma(PTC). Although radiologic findings demonstrated a benign tumor, surgical excision wascarried out per patient’s preference and to rule out recurrent thyroid cancer. The mass was severelyadherent to the surrounding muscles, but was resected completely without any injury tothe adjacent structures. Histological studies revealed CF. The postoperative course was uneventfulwithout vocal fold paralysis. CFs can be a diagnostic challenge in preoperative evaluation. Conservative excision was sufficient in most cases without recurrence. Clinicians shouldbe aware of CFs in diagnosis, especially in postoperative site.
참고문헌 (15)
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