Ewing Sarcoma/Primitive Neuroectodermal Tumor: Biopsy

Surgical Pathology Cancer Case Summary (Checklist)

Procedure

____ Core needle biopsy

____ Incisional biopsy

_____ Excisional biopsy

____ Other (specify): _________________

_________________ Not specified

Tumor Site

Greatest dimension: __________ cm

^*Additional dimensions: __________ x __________ cm

_____ Cannot be determined

^*Extent of Osseous Tumors (select all that apply)

^*____ Diaphysis

^*____ Metaphysis

^*____ Medullary cavity

^*____ Tumor extension into soft tissue

^*____ Other (specify): ____________

^*__________________ Not specified

^*____ Cannot be determined

^*Extent of Primary Extraosseous Tumors (select all that apply)

^*____ Dermal

^*____ Subcutaneous/suprafascial

^*____ Subfascial

^*____ Intramuscular

^*____ Intraabdominal/pelvic

^*____ Retroperitoneal

^*____ Other (specify): ___________

^*___________________ Not specified

^*____ Cannot be determined

Margins (for excisional biopsy only)

____ Cannot be assessed

____ Margins negative for tumor

Distance of tumor from closest bone margin: __________ cm

Distance of tumor from closest soft tissue margin: __________ cm

____ Margin(s) positive for sarcoma

Specify margin(s) _____________

^*Lymph-Vascular Invasion

^*____ Not identified

^*____ Present

^*____ Indeterminate

Pre-biopsy Treatment (select all that apply)

____ No therapy

____ Chemotherapy performed

____ Radiation therapy performed

____ Therapy performed, type not specified

____ Unknown

Necrosis Post Chemotherapy

____ Necrosis not identified

____ Necrosis present

^*Specify extent of total specimen: %

_________ Cannot be determined

____ Not applicable

^*Additional Pathologic Findings

^*Specify: _______________

^*Ancillary Studies

^* Cytogenetics

^*Specify: ________________

^*______________ Not performed

^* Molecular pathology

^*Specify:

^*_____ Not performed

^* Data elements with asterisks are not required. However, these elements may be clinically important but are not yet validated or regularly used in patient management. Adapted with permission from College of American Pathologists, “Protocol for the Examination of Specimens from Patients with Primitive Neuroectodermal Tumor (PNET)/Ewing Sarcoma (ES). “ Web posting date October 2009, www.cap.org.