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| Code | Diagnosis | Comment | Score |
| anonymous | Nasal haemangiopericytoma-like tumour (100%). | - | 100 |
| anonymous | Haemangiopericytoma-like tomour of nasal cavity, 100%. | Nil | 100 |
| anonymous | Hemangiopericytoma-like tumor, 100% | It is not unreasonable to call this a glomus tumor, especially in small biopsies. In fact, the two share significant morphologic overlap. | 100 |
| anonymous | Haemangiopericytoma-like tumour of the nasal cavity (100%) | Local recurrences may develop but metastases do not occur. | 100 |
| anonymous | Hemangiopericytoma-like tumor | confirm with immunostaining for actin | 100 |
| anonymous | Hemangiopericytoma-like tumor. 100%. | Nil. | 100 |
| anonymous | Hemangiopericytoma 100% | nil | 100 |
| anonymous | Nose - haemangiopericytoma-like tumour 100% | Nil | 100 |
| anonymous | Haemangiopericytoma (90%) Synovial sarcoma, monophasic (10%) | A reticulin stain may help. Also perform immunostaining for cytokeratin, EMA, S100 protein to rule out synovial sarcoma and neurogenic sarcoma. EM may also be userful. | 100 |
| anonymous | Haemangiopericytoma-like tumour 100% | nil | 100 |
| anonymous | HEMANGIOPERICYTOMA-LIKE TUMOR 100% | This tumor was called by some authors as well differentiated hemangiopericytoma. The behaviour is better than hemangiopericytoma at other sites. | 100 |
| anonymous | Spindle cell tumour with focal haemangiopericytoma pattern 100%, Dx: Haemangiopericytoma, sinonasal; Other DDx: Monophasic synovial sarcoma; Myoepithelioma, minor salivary glands; Meningotheliomatous tumour (fibrous meningioma); Solitary fibrous tumour | 1. Sinonasal haemangiopericytoma is a low grade tumour. It can recur locally but rarely metastasizes. There is no necrosis nor cellular pleomorphism and mitotic figure is about 1/50HPF in the present case. 2. Special investigations: reticulin stain; Immunohistochemical stains: Cytokeratins, EMA, SM actin, desmin, S-100, CD34; EM. | 80 |
| anonymous | SYNOVIAL SARCOMA, monophasic. Probability: 100% | Confirm with immunohistochemical stain for cytokeration which will demonstrate clusters of positive cells. | 40 |
| anonymous | Hemangiopericytoma of nasal cavity | Some authors use hemangiopericytoma-like tumor for well-differentiated form, with rare mitosis and absence of necrosis as the present case. | 100 |
| anonymous | Haemangiopericytoma-like tumour (Haemangiopericytoma), 100% | Nil. | 100 |