GAMUT H-137
LOWER ABDOMINAL OR PELVIC MASS IN AN INFANT OR CHILD
(See also H-133, H-134, H-135, H-136)

COMMON
1. Appendiceal abscess
2. Bladder enlargement (See H-96)
3. Bone lesion of spine or pelvis
4. Hematoma (trauma; bleeding or coagulation disorder G)
5. Ovarian cyst or neoplasm (See H-182, H-183)


UNCOMMON
1. Anterior sacral meningocele
2. Duplication cyst of gut or genital tract
3. Ectopic kidney
4. Fecal impaction (eg, Hirschsprung disease)
5. Foreign body, vaginal or rectal
6. Hematometrocolpos , hydrometrocolpos
7. Hydatid cyst
8. Hydroureter
9. Intestinal obstruction
10. Intussusception
11. Lymphoma G; Burkitt's lymphoma 
12. Meconium (eg, imperforate anus; meconium ileus ; meconium plug S.)
13. Mesenteric or omental cyst;
14. Metastasis
15. Neurogenic neoplasm (eg, neuroblastoma )
16. Perirectal abscess
17. Retroperitoneal neoplasm (eg, teratoma; sarcoma)
18. Rhabdomyosarcoma (botryoides) of bladder or vagina
19. Tubo-ovarian abscess; hydrosalpinx; pyosalpinx
20. Urachal cyst





References