EURORAD ESR

Case 12980

Dual ectopy thyroid - a case report

Author(s)
Dr. Bhanupriya Singh1, Dr. Suhas S. Ghule2, Dr. Dilip L. Lakhkar3, Dr. Sushil Kachewar4

(1) MBBS, MD-Radiodiagnosis II year Resident
(2) MD, DNB, Associate Professor, Radiodiagnosis
(3) Professor & Head, Radiodiagnosis
(4) Professor, Radiodiagnosis

Padmashree Dr. Vitthalrao
Vikhe Patil Hospital;
Post M.I.D.C.
Vadagaon, Vilad Ghat
414111 Ahmednagar;
Email: singh.bhanupriya@outlook.com
 
Patient
female, 7 year(s)
 
 
  • Figure 1
    Ultrasonography neck

    Normal right lobe of thyroid

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound; Procedure: Screening; Special Focus: Tissue characterisation;
     
     
  • Figure 2
    Ultrasonography neck

    Empty left thyroid fossa

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound; Procedure: Screening; Special Focus: Congenital;
     
     
  • Figure 3
    Ultrasonography neck

    Empty left thyroid fossa

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound-Colour Doppler; Procedure: Screening; Special Focus: Congenital;
     
     
  • Figure 4
    Ultrasonography left sublingual region

    Well-defined hyper-echoic focus in left sub-lingual region.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound; Procedure: Normal variants; Special Focus: Congenital;
     
     
  • Figure 5
    Ultrasonography left sublingual region

    Well-defined hyper-echoic focus in left sub-lingual region, showing normal vascularity.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound-Colour Doppler; Procedure: Normal variants; Special Focus: Congenital;
     
     
  • Figure 6
    Ultrasonography midline neck, anterior to oropharynx

    Ultrasonography midline neck showing well-defined echogenic mass.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound; Procedure: Normal variants; Special Focus: Congenital;
     
     
  • Figure 7
    Ultrasonography midline neck, anterior to oropharynx

    Ultrasonography midline neck demonstrates echogenic mass, showing normal vascularity.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound-Colour Doppler; Procedure: Normal variants; Special Focus: Congenital;
     
     
  • Figure 8
    Ultrasonography infra-hyoid, pre-laryngeal region

    Infra-hyoid, pre-laryngeal region ultrasonography showing well-defined echogenic mass.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound; Procedure: Normal variants; Special Focus: Congenital;
     
     
  • Figure 9
    Ultrasonography infra-hyoid, pre-laryngeal

    Well-defined, echogenic mass in infra-hyoid, pre-laryngeal region; showing normal vascularity on colour Doppler.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: Ultrasound-Colour Doppler; Procedure: Normal variants; Special Focus: Congenital;
     
     
  • Figure 10
    Plain CT (axial) - left sublingual region

    Well-defined hyperdense lesion seen in the left sublingual region (due to intrinsic iodine content in thyroid tissue), showing plain computed tomography 123HU (Hounsfield unit).

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 11
    Axial contrast-enhanced CT - left sublingual region

    Well-defined hyperdense lesion in left sublingual region, showing 156HU (moderate enhancement).

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT-Angiography; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 12
    Plain CT (axial) - midline neck swelling; anterior to oropharynx

    Well-defined midline neck swelling; anterior to oropharynx. Hyperdense on plain CT (due to intrinsic Iodine content in thyroid tissue), showing 105HU.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 13
    Contrast-enhanced CT, midline neck swelling; anterior to oropharynx

    Well-defined hyperdense mid-line neck swelling (anterior to oropharynx) showing 137HU (moderate enhancement).

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT-Angiography; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 14
    Plain CT (axial) infra-hyoid, pre-laryngeal location

    Well-defined infra-hyoid, pre-laryngeal neck swelling is hyperdense on plain CT (due to intrinsic Iodine content in thyroid tissue), showing 116HU.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 15
    Contrast enhanced CT, showing infra-hyoid, pre-laryngeal region

    Well defined infra-hyoid, pre-laryngeal mass; showing 157HU(moderate contrast enhancement)

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT-Angiography; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 16
    Sagittal contrast-enhanced CT

    Three well-defined hyperdense masses at sub-lingual level, anterior to oropharynx and infra-hyoid pre-laryngeal level; showing moderate contrast enhancement.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT-High Resolution; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 17
    Coronal contrast-enhanced CT

    Well defined hyperdense mass anterior to oropharynx , showing moderate contrast enhancement.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT-Angiography; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
  • Figure 18
    Coronal contrast enhanced CT

    Two well-defined hyperdense masses noted at sublingual level and infra-hyoid prelaryngeal level; showing moderate contrast enhancement.

     
    Area of Interest: Ear / Nose / Throat; Imaging Technique: CT-Angiography; Procedure: Normal variants; Special Focus: Tissue characterisation;
     
     
Normal right lobe of thyroid
 
Empty left thyroid fossa
 
Empty left thyroid fossa
 
Well-defined hyper-echoic focus in left sub-lingual region.
 
Well-defined hyper-echoic focus in left sub-lingual region, showing normal vascularity.
 
Ultrasonography midline neck showing well-defined echogenic mass.
 
Ultrasonography midline neck demonstrates echogenic mass, showing normal vascularity.
 
Infra-hyoid, pre-laryngeal region ultrasonography showing well-defined echogenic mass.
 
Well-defined, echogenic mass in infra-hyoid, pre-laryngeal region; showing normal vascularity on colour Doppler.
 
Well-defined hyperdense lesion seen in the left sublingual region (due to intrinsic iodine content in thyroid tissue), showing plain computed tomography 123HU (Hounsfield unit).
 
Well-defined hyperdense lesion in left sublingual region, showing 156HU (moderate enhancement).
 
Well-defined midline neck swelling; anterior to oropharynx. Hyperdense on plain CT (due to intrinsic Iodine content in thyroid tissue), showing 105HU.
 
Well-defined hyperdense mid-line neck swelling (anterior to oropharynx) showing 137HU (moderate enhancement).
 
Well-defined infra-hyoid, pre-laryngeal neck swelling is hyperdense on plain CT (due to intrinsic Iodine content in thyroid tissue), showing 116HU.
 
Well defined infra-hyoid, pre-laryngeal mass; showing 157HU(moderate contrast enhancement)
 
Three well-defined hyperdense masses at sub-lingual level, anterior to oropharynx and infra-hyoid pre-laryngeal level; showing moderate contrast enhancement.
 
Well defined hyperdense mass anterior to oropharynx , showing moderate contrast enhancement.
 
Two well-defined hyperdense masses noted at sublingual level and infra-hyoid prelaryngeal level; showing moderate contrast enhancement.
 
 
 
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