Code |
Diagnosis |
Comment |
Score |
anonymous |
High grade angiosarcoma (100%)
|
To confirm with immunstains for vascular markers such as CD31, CD34, factor 8.
|
100 |
anonymous |
Angiosarcoma of the scalp
|
nil
|
100 |
anonymous |
Malignant spindle cell tumor. DDx malignant melanoma, epithelioid angiosarcoma.
|
Melanoma (+ve S-100 protein and HMB45)
Angiosarcoma (+ve CD31, CD34)
|
80 |
anonymous |
Angiosarcoma; deep resection margin involved.
|
Immunostaining for CD31, CD34.
|
100 |
anonymous |
Angiosarcoma. 100%
|
Vascular lineage to be confirmed by CD31, CD34.
|
100 |
anonymous |
Malignant spindle cell tumor, consistent with angiosarcoma. (100%)
|
Do CD31 stain to confirm.
|
100 |
anonymous |
Scalp - Desmoplastic melanoma 100%
|
nil
|
10 |
anonymous |
Spindle cell malignant neoplasm 100%
|
Take more blocks to delineate pathognomonic morphology.
Perform immunohistochemical stains to differentiate between the 2 major considerations :
1) Malignant mmelanoma (positive for S100, HMB45)
2) Angiosarcoma (positive for CD31, fVIIRA, patchy positivity for some epithelial marker e.g. EMA, CAM5.2)
|
80 |
anonymous |
Amelanotic spindle cell malignant melanoma
|
nil
|
10 |
anonymous |
ANGIOSARCOMA (100%)
|
nil
|
100 |
anonymous |
Angiosarcoma 98%
Other sarcoma 2%
|
CD31 CD34 to confirm
CK, SMA, desmin, S100, HMB45 panel
HHV8 to exclude Kaposi
|
100 |
anonymous |
Malignant spindled cell tumor
|
Differential diagnoses are epithelioid angiosarcoma, melanoma, sarcomatoid carcinoma and metastatic malignancies. Suggest immunohistochemical study to differentiate.
|
70 |
anonymous |
Basal cell carcinoma, focally involving the deep margin
|
nil
|
0 |
anonymous |
Epithelioid angiosarcoma.
DDx: Malignant melanoma.
Do CD 31 for angiosarcoma, S100, HMB45 for melanoma. Probability:100%
|
nil
|
100 |
anonymous |
Malignant tumour (100%), favour angiosarcoma (90%), malignant melanoma (10%)
|
Perform CD31 and CD34 immunostains to confirm angiosarcoma, S100 protein and HMB45 to exclude malignant melanoma
|
100 |
anonymous |
angiosarcoma (95%)
desmoplastic melanoma (5%)
|
Immunohistochemical staining for CD31, CD34, S-100 protein and HMB-45.
|
100 |