Tongue cancer (PET-CT)

Case contributed by Dalia Ibrahim
Diagnosis certain

Presentation

Left tongue ulcer. Biopsy revealed invasive squamous cell carcinoma.

Patient Data

Age: 50 years
Gender: Male

PET-CT

ct
This study is a stack
Coronal
PET images
This study is a stack
Axial Fused
PET-CT images
This study is a stack
Axial C+ portal
venous phase
This study is a stack
Coronal Fused
PET-CT images
This study is a stack
Sagittal Fused
PET-CT images
Download
Info

FDG avid soft tissue mass arising from the left side of tongue crossing the lingual septum and extending to the right para-midline region with SUV max 12.5 and measures 6.2 x 5 x 2.7 cm . The lesion invades the left genioglossus, geniohyoid, mylohyoid, and hyoglossus muscles. It infiltrates the hyoid bone anteriorly. It is also invading the left sublingual and submandibular salivary glands. The mass is abutting the adjacent mandible without erosion.

Lymph nodes: Increased FDG uptake by bilateral cervical lymph nodes level Ia, b, II, III with SUVmax 8.5 over 4 cm in left level II.

No distant metastasis.

Case Discussion

PET-CT is useful in staging tongue cancer, as in this case. It detected regional lymphadenopathy and excluded distant metastasis. However, MRI is better for local staging of tongue cancer as it better delineates the local invasion of the lesion.

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