Black thyroid: a benign finding

Papillary thyroid cancer in black thyroid: a case report and literature review

“…It is usually asymptomatic and has no role in thyroid dysfunction (9). However, several reports have described accompanying symptoms of neck swelling, thyroiditis, thyroid dysfunction, and benign thyroid neoplasms (9,10,17,18).…”

“…The impact of minocycline on the black thyroid has often been reported to be harmless. It occasionally presents with neck swelling, thyroiditis, and benign thyroid neoplasms (9,10). Meanwhile, several studies have reported cases of carcinoma in minocycline-induced black thyroids.…”

Black thyroid: a note for the surgeon, the pathologist and the dermatologist

“…The authors correctly conclude that there is currently no sufficient evidence of a causative relationship between black thyroid and cancer. A MEDLINE search delivers no more than 250 cases and there is a relevant bias to take into consideration: “black thyroid” is not diagnosed preoperatively by sonography or fine needle biopsy but it represents a mere incidental intraoperative finding during procedures performed for other reasons, such as malignant or suspicious nodules ( 20 ).…”