Patient

Sex

Age (yr.)

Clinical Parameters

Location of APC

Size (cm)

Histology

Further Investigation

Surgery

1.

M

14

Pain in RLQ associated with nausea Tenderness positive in RLQ WBC 18600/μlCRP 13 mg/L

Mid Appendix

0.8 × 0.5

Well differentiated Invading mesoappendix Lymphovascular & perineural invasion Positive chromogranin & synaptophysin Margins tumor free

CT Abd: Normal 5-HIAA: Normal

Appendectomy

2.

M

9

Pain in RLQ associated with nausea and low-grade fever Tenderness positive in RLQ WBC 11,200/μlCRP 18 mg/L

Mid Appendix

0.4 × 0.4

Solid nests and trabeculae of neuroendocrine cells,

Lymphovascular invasion but no perineural invasionPositive chromogranin & synaptophysin Margins tumor free

CT Abd: Normal 5-HIAA: Normal

Appendectomy

3.

M

13

Pain in RLQ associated with vomiting and fever Tenderness positive in RLQ WBC 17,600/μl,

Tip of Appendix

1 × 0.8

CT with lymphovascular & perineural invasionMargins tumor free

CT Abd: Normal 5-HIAA: Normal

Appendectomy