Lingual Thyroid Carcinoma: A Case Report and Review of the Literature

Massine, Russell E.; Durning, Steven J.; Koroscil, Thomas M.

doi:10.1089/10507250152741055

Cited by 93 publications

(80 citation statements)

References 32 publications

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“…Malignant transformation in ectopic thyroid tissue is rare. The estimated incidence for carcinoma arising in a lingual thyroid is only 1% [20][21][22] . Among the 125 cases of intralaryngotracheal thyroid published prior to 1998, the estimated incidence of malignancy was similarly low (1.6%) 23 .…”

Section: Discussionmentioning

confidence: 99%

Ectopic thyroid tissue in the lower neck with a coexisting normally located multinodular goiter. Brief literature review

Kousta

Konstantinidis²,

Michalakis³

et al. 2005

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Ectopic thyroid tissue in the lower neck with a coexisting normally located multinodular goiter is a rare entity. We present a 27-year old asymptomatic woman with a recent history of a painless mass in the left side of her lower neck. Thyroid function tests were normal. An ultrasound of her neck showed a multinodular goiter and a 3.4 cm solid mass in the left lower cervical area. These findings were confirmed by an MRI scan of her neck. The Tc99m Pertechnetate scan showed the presence of a functioning area under the left lobe of the thyroid gland. The patient underwent surgery. The cervical mass was identified as a structure separate from the left lobe of the thyroid, without any attachments to the body of the gland and was uniformly resected. A subtotal thyroidectomy was also performed. The histology revealed that the separate structure represented ectopic thyroid tissue. The patient had an uneventful postoperative recovery, subsequent to which she was euthyroid and had normal calcium levels.

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Section: Discussionmentioning

confidence: 99%

Ectopic thyroid tissue in the lower neck with a coexisting normally located multinodular goiter. Brief literature review

Kousta

Konstantinidis²,

Michalakis³

et al. 2005

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“…Lingual thyroid is reported to occur 4-7-fold more often in women than in men [14,15]. One of the largest cohort of patients with thyroid ectopy was reported by Yoon et al, where about 47% of cases were patients with lingual thyroid, a further 35% constituted subjects with sublingual location, and 14% had combined type [1].…”

Section: Discussionmentioning

confidence: 99%

Ektopia tarczycy — wyzwania diagnostyczne i terapeutyczne przed wprowadzeniem przesiewowego badania TSH noworodków i po nim

Szczepanek‐Parulska

Hernik

Ruchała

2017

Endokrynologia Polska

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Despite the fact that TSH screening in newborns is currently conducted in most developed countries, patients with thyroid ectopy born before the procedure was introduced or those in whom the screening failed to establish diagnosis, might still appear. In this paper we revise the current state of knowledge regarding the clinical presentation, diagnosis, and treatment of patients with thyroid ectopy. As an example, we report diagnostic and therapeutic difficulties in our three patients with thyroid ectopy remaining undiagnosed and untreated during early childhood. Introduction of neonatal screening for congenital hypothyroidism does not guarantee that all patients with thyroid ectopy will be correctly diagnosed and properly treated, due to the possibility of falsely negative results of TSH screening or lack of compliance from parents. Visualisation of an ectopic thyroid on ultrasound examination may be challenging for unexperienced sonographers; muscles in the thyroid bed may be misdiagnosed as heterogeneous and hypoechogenic thyroid gland with features suggesting autoimmune thyroid disease. Thyroid scintiscan is crucial for confirmation of the diagnosis of thyroid ectopy.In conclusion, hypothyroidism due to thyroid developmental anomaly should be taken into consideration in cases of hypothyroidism and normal thyroid autoantibodies in a patient at any age. (Endokrynol Pol 2017; 68 (6): 708-714)

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“…It is the only modality to differentiate between benign and malignant lesion [3]. Most of the cases are benign, however few malignant cases have also been reported [12]. Thyroid scan can also reveal whether there are other sites of thyroid tissue.…”

Section: Discussionmentioning

confidence: 99%