Metastatic papillary carcinoma of thyroid masquerading as a renal tumour
- R Gupta1,
- S Viswanathan1,
- A D’Cruz2,
- S V Kane2
- 1Department of Pathology, Head and Neck Services, Tata Memorial Hospital, Mumbai 400012, India
- 2Department of Surgery, Head and Neck Services, Tata Memorial Hospital, Mumbai 400012, India
- Dr Seethalakshmi Viswanathan, Associate Professor and Assistant Pathologist, 8th Floor, Annexe Building, Tata Memorial Hospital, Dr E Borges Rd, Parel, Mumbai 400012, India; vishyvidya{at}hotmail.com
- Accepted 14 March 2007
Differentiated papillary carcinomas constitute 80–90% of thyroid malignancies and are known for regional nodal metastasis.1 Only 2% of patients present with haematogenous metastases involving lungs, brain and bone.2
A man in his 50s presented elsewhere with flank pain and haematuria. Computed tomography scan revealed a 5 cm cystic, necrotic mass in the upper pole of the right kidney. Following a right radical nephrectomy for a primary renal malignancy the patient was referred to our institute.
Gross examination of a kidney measuring 8.5×5×5 cm revealed a 5×5×4 cm mass, with gelatinous brown areas, adherent to the renal capsule in the …
