A case of mucinous cystadenocarcinoma of the appendix is presented.
The clinical feature is a painful syndrome of the right iliac fossa.
In our observation, the diagnosis was not allowed by preoperative imaging.
Appendectomy was initially performed and completed by right hemicolectomy a
nd lymphadenectomy after histological diagnosis of the appendicular maligna
nt tumour was forwarded.
The prognosis of this tumour is generally excellent providing early diagnos
is and wide enough surgery.