Developmental anomalies of the thyroid gland may result in ectopic glandular tissue. We report a unique case of ectopic thyroid tissue within the pituitary fossa and sphenoid sinus, associated with a lingual thyroid gland, The aetiology of this ectopic tissue is postulated to be ascent of primitive thyroid endoderm at the time of formation of Rathke's pouch. (C) Pearson Professional Ltd 1997.
机构:
Yunnan Univ, Dept Thorac Surg, Affiliated Hosp, Kunming, Yunnan, Peoples R ChinaPLA, Hosp Joint Logist Support Force 920, Dept Gen Surg, Kunming, Yunnan, Peoples R China
Gong, Zheng
Yang, Yan
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PLA, Hosp Joint Logist Support Force 920, Dept Gen Surg, Kunming, Yunnan, Peoples R ChinaPLA, Hosp Joint Logist Support Force 920, Dept Gen Surg, Kunming, Yunnan, Peoples R China
Yang, Yan
Liu, Zegang
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PLA, Hosp Joint Logist Support Force 920, Dept Gen Surg, Kunming, Yunnan, Peoples R ChinaPLA, Hosp Joint Logist Support Force 920, Dept Gen Surg, Kunming, Yunnan, Peoples R China