Table 3.
Collision tumours of secondary cancer in the thyroid and primary thyroid neoplasm described in literature.
| Thyroid Tumour | Primary Tumour with Number of Cases | Total No. of Cases |
|---|---|---|
| Follicular adenoma | 4× Lung adenocarcinoma [3,53,54,55] 2× Lung small cell carcinoma [56,57] 1× Poorly differentiated lung carcinoma with basaloid pattern [50] 3× Renal cell carcinoma [58,59,60] 2× Breast carcinoma [61,62] 2× Colon adenocarcinoma [55,63] 1× Prostate adenocarcinoma [61] 1× Oesophageal adenocarcinoma [12] 1× Melanoma [3] |
17 |
| Oncocytic (Hürthle cell) adenoma | 1× Breast phyllodes tumour [64] 1× Renal cell carcinoma [65] 1× Endometroid adenocarcinoma [66] 1× Gastric adenocarcinoma [67] |
4 |
| Non-invasive follicular thyroid neoplasm with papillary like nuclear features (NIFTP) | 1× Renal cell carcinoma [12] | 1 |
| Follicular variant of papillary carcinoma | 3× Renal cell carcinoma [52,68,69] 1× Lung adenocarcinoma [70,71] 1× Lung small cell carcinoma [69] 1× Breast carcinoma [68] |
7 |
| Papillary carcinoma | 1× Colorectal adenocarcinoma (site not specified) [12] 1× Rectal adenocarcinoma [72] 2× Renal cell carcinoma [73,74] 1× Breast carcinoma [5] 1× Lung adenocarcinoma [75] 1× Melanoma [20] |
7 |
| Follicular carcinoma | Cutaneous malignant melanoma [51] | 1 |
| Oncocytic (Hürthle cell) carcinoma | 1× Colon adenocarcinoma [76] 1× Renal cell carcinoma [77] |
2 |