Lingual thyroid is by far the most common presentation of ectopic thyroid. Though mostly asymptomatic it is associated with congenital hypothyroidism and importantly, absence of orthotopic thyroid making it the only functional thyroid tissue a patient has in many cases. It appears indistinguishable to orthotopic thyroid tissue on imaging, with avid homogeneous enhancement on contrast computed tomography. Here we report clinical presentation and imaging findings of lingual thyroid in a 38-year-old man.
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http://dx.doi.org/10.1016/j.radcr.2022.10.039 | DOI Listing |
Surg Radiol Anat
December 2024
Department of Oral and Maxillofacial Surgery, Yokohama City University Hospital, 3-9 Fukuura, Yokohama, Kanagawa, 236-0004, Japan.
The branches of the external carotid artery can show variation, and common trunks are occasionally found. Because the common trunks such as the thyrolingual, linguofacial, and thyrolinguofacial trunks are formed from two or all of the superior thyroid artery, lingual artery, and facial arteries, maxillofacial trunks are extremely rare. We report a rare case with the maxillofacial and thyrolingual trunks identified by three-dimensional computed tomography angiography.
View Article and Find Full Text PDFSurg Radiol Anat
November 2024
Creighton University School of Medicine-Phoenix Regional Campus, Phoenix, AZ, USA.
Cureus
August 2024
Cellular Biology and Anatomy, Louisiana State University Health Sciences Center, Shreveport, USA.
The external carotid artery (ECA) is a major branched artery that supplies head and neck structures. An undocumented variation of the ECA was discovered during cadaveric dissection of the anterolateral cervical region, in which a common origin for the ascending pharyngeal, facial, and lingual arteries was identified. In addition, bilateral, duplicate ascending pharyngeal arteries (APAs) were identified at the aforementioned common trunk and the bifurcation of the external and internal carotid arteries.
View Article and Find Full Text PDFAutops Case Rep
July 2024
University of Kansas Medical Center, Department of Pathology and Laboratory Medicine, Kansas City, Kansas, USA.
Ectopic thyroid tissue is rare in the general population and more prevalent in people who have existing thyroid disease. Common anatomical sites of ectopic thyroid tissue include the lateral cervical region, thyroglossal duct, mediastinum, lingual, sublingual, and submandibular region. Intrathymic ectopic thyroid tissue is exceedingly rare.
View Article and Find Full Text PDFPLoS One
August 2024
Center of Brain, Behavior and Metabolism, University of Lübeck, Lübeck, Germany.
To investigate changes in brain network organization and possible neurobehavioral similarities to attention-deficit hyperactivity disorder (ADHD), we measured changes in brain resting-state functional connectivity (rs-fMRI) and cognitive domains in patients with resistance to thyroid hormone β (RTHβ) and compared them with those in healthy control subjects. In this prospective case-control study, twenty-one participants with genetically confirmed RTHβ were matched with 21 healthy controls. The Adult ADHD Self-Report Scale (ASRS-v1.
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