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Unusual uptake of radioiodine in the chest in a patient with thyroid carcinoma

¹ Radiation Medicine Centre and ² Department of Radiodiagnosis, Tata Memorial Hospital, Jerbai Wadia Road, Parel, Bombay 400012, India

View larger version (95K): [in a new window]   Figure 1. (a, b) Large dose 131I scan showing tracer concentration in the chest at the level of D4 vertebra with a 5 cm long, 1.5 cm broad trail in the midline upto the level of D10 vertebra.

View larger version (117K): [in a new window]   Figure 2. "Post-wash" repeat scan showing almost complete disappearance of mediastinal concentration.

View larger version (83K): [in a new window]   Figure 3. Chest radiograph with barium swallow study, (a) frontal and (b) right lateral view, showing dilated thoracic oesophagus with smooth narrowing of terminal oesophagus. No evidence of proximal shouldering noted. The filling defects seen intraluminally are due to food residue in the dilated oesophagus.

View larger version (101K): [in a new window]   Figure 4. CT scan chest revealing dilated oesophagus with intraluminal food residue. No evidence of mediastinal adenopathy seen.