PMC270054_01
Plain film of the abdomen, revealing a soft tissue density lesion with peripheral calcification (arrows). A mucocele of the appendix or an echinococcus cyst may have a similar appearance.
1471-230X-3-30-1.jpg
PMC270054_01_1471-230X-3-30-1.jpg
F1
Plain film of the abdomen demonstrated a soft tissue mass with peripheral calcifications (Figure 1) in the right iliac fossa.
Transverse ultrasonogram of the right iliac fossa. The mucocele is shown as a cystic lesion. Internal echoes in the middle of the cyst are not usually seen in a simple mucocele.
1471-230X-3-30-2.jpg
PMC270054_01_1471-230X-3-30-2.jpg
F2
Ultrasonography also showed the lesion (Figure 2) to be more consistent with a mucocele of the appendix.
Axial CT section through the right lower abdomen. A cystic lesion with both curvilinear and nodular calcification in the wall is demonstrated (arrows).
1471-230X-3-30-3.jpg
PMC270054_01_1471-230X-3-30-3.jpg
F3
The lesion measuring 7 cm in maximum diameter showed calcification in the wall (Figure 3).
Axial CT section obtained 1 cm more cephalic to Figure 1. Two small nodules close to the posterolateral wall of the lesion are demonstrated (arrows). Soft tissue strands are present in the fatty tissue around the mucocele (arrows).
1471-230X-3-30-4.jpg
PMC270054_01_1471-230X-3-30-4.jpg
F4
Two small soft tissue nodules were also identified close to the posterior margin of the lesion (Figure 4) with minimal soft tissue density strands in the surrounding fat.
Axial CT section through ascending colon. A large tumor is demonstrated (arrows).
1471-230X-3-30-5.jpg
PMC270054_01_1471-230X-3-30-5.jpg
F5
In close proximity with the ileocecal valve, CT showed a large tumor mass in the ascending colon (Figure 5) while the terminal ileum was partially invaginated into the cecum.
Malignant mucocele and adenocarcinoma of the ascending colon.
1471-230X-3-30-6.jpg
PMC270054_01_1471-230X-3-30-6.jpg
F6
The patient underwent right hemicolectomy, excision of the mucocele and sigmoidectomy (Figures 6 and 7).
Malignant mucocele, adenocarcinoma of the ascending colon and adenocarcinoma of the sigmoid colon.
1471-230X-3-30-7.jpg
PMC270054_01_1471-230X-3-30-7.jpg
F7
The patient underwent right hemicolectomy, excision of the mucocele and sigmoidectomy (Figures 6 and 7).