Table 1.

Showing various characteristics and parameter of the patients

Parameters	Case-1		Case-2	Case-3	Case-4	Case-5	Case-6	Case-7	Case-8
Age/sex	6/F		8/F	7/F	32/F	43/M	22/F	18/F	11/F
Present-ation specific to lingual thyroid	Asym-ptomatic		Asympto-matic	Asymptomatic for lingual thyroid but had a second thyroid anomaly (thyroglossal cyst )presented with a midline neck swelling at subhyoid level	Symptomatic with dysphagia ,breathing difficulty, Snoring, with intermittent bleeding	Asymptomatic for lingual thyroid but had a second sublingual ectopic thyroid tissue presented as a submental swelling	Sympto-matic with dysphagia and globus sensation in throat	Asymptomatic for lingual thyroid but had a second ectopic thyroid tissue presented as a submental swelling with short stature	Asymptomatic for lingual thyroid but had a second thyroid anomaly ( thyroglossal cyst )presented with a midline swelling at subhyoid level
Examina-tion findings (FOL, Examina-tion of neck)	Smooth hypervascular mucosa covered globular mass at tongue base	Smooth hypervascular mucosa covered globular mass at tongue base		1. Smooth hypervascular mucosa covered globular mass at tongue base 2. Midline neck swelling at subhyoid level	Smooth hypervascular globular mass at tongue base with ulceration of overlying mucosa	1. Smooth hypervascular mucosa covered globular mass at tongue base 2. Submental swelling	Smooth hypervascular mucosa covered globular mass at tongue base	1. Smooth hypervascular mucosa covered globular mass at tongue base 2. Submental swelling	1. Smooth hypervascular mucosa covered globular mass at tongue base 2. Midline neck swelling at subhyoid level
Thyroid scan	Intense focus of tracer uptake at base tongue  No uptake in neck	Intense focus of tracer uptake at base tongue  No uptake in neck		Intense focus of tracer uptake at base tongue  No uptake in neck	Intense focus of tracer uptake at base tongue  No uptake in neck	Intense focus of tracer uptake at base tongue and sublingual region	Intense focus of tracer uptake at base tongue  No uptake in neck	Intense focus of tracer uptake at base tongue and submental region	Intense focus of tracer uptake at base tongue  No uptake in neck
CECT	Hyperintense mass at base tongue	Hyperintense mass at base tongue		Hyperintense mass at base tongue and cystic lesion in the neck	Hyperintense mass at base tongue	Hyperintense mass at base tongue and sublingual region	Hyperintense mass at base tongue	Hyperintense mass at base tongue and submental region	Hyperintense mass at base tongue and cystic lesion in the neck
Hormonal status	Euthyroid	Euthyroid		Euthyroid	Hypothyroid	Hypothyroid	Hypothyroid	Hypothyroid	Euthyroid
Orthotopic thyroid	Absent	Absent		Absent	Absent	Absent	Absent	Absent	Absent
Presence of other ectopics	No	No		Yes, thyroglossal cyst at subhyoid level	No	Yes, sublingual region	No	Yes, submental region	Yes, thyroglossal cyst at subhyoid level
Treatment received	Reassurance and regular follow up	Reassurance and regular follow up		Excision of thyroglossal cyst (Sistrunk surgery),no intervension for lingual thyroid	coblation assisted peroral excision of lingual thyroid plus HRP(thyroxin)	HRP(thyroxine)	I131 Ablation with HRP(thyroxin)	Transcervical excision of submental swelling but no intervensionfor lingual thyroid plus HRP	Excision of thyroglossal cyst (Sistrunk surgery),no intervension for lingual thyroid
Follow up	5 years	4.5 years		3.8 years	3 years	4 years	3.8 years	2.8 years	3 years
Outcome	Asymptomatic	Asymptomatic		Asymptomatic	Hypothyroidism worsened after urgery and on HRP without any recurrence of symptoms	On HRP without any recurrence of symptoms	On HRP without any recurrence of symptoms	On HRP without any recurrence of symptoms	Asymptomatic