Tubo-ovarian abscess
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Background
- Typically a complication of PID, though inflammatory bowel, appendicitis, and hematologic nidi have been reported
- Mortality if not ruptured: <1% if treated; 2-4% if untreated
- Risk factors:
- Multiple sex partners
- Age 15-25 years old
- Prior history of PID
- IUD
- HIV infection
- Infections are often polymicrobial
- Common organisms: Escherichia coli, aerobic streptococci, Bacteroides fragilis, Prevotella, Peptostreptococcus
- N. gonorrhoeae and C. trachomatis are rarely culprit organisms
Clinical Features
- +/-Fever
- Vaginal discharge
- Dyspareunia
- Disproportionate unilateral adnexal tenderness or adnexal mass or fullness
- Suspect in patient who does not respond after 72hr of treatment for PID
Differential Diagnosis
Acute Pelvic Pain
Gynecologic/Obstetric
- Pregnancy-related
- Ectopic Pregnancy
- Spontaneous abortion, threatened or incomplete
- Septic abortion
- Acute Infections
- Vulvovaginitis
- Adnexal Disorders
- Hemorrhage/rupture of ovarian cyst
- Ovarian torsion
- Twisted paraovarian cyst
- Other
- Myoma (degenerating)
- Genitourinary trauma
- Ovarian hyperstimulation syndrome
- Sexual assault
- Recurrent
- Mittelschmerz
- Primary/Secondary Dysmenorrhea
- Pelvic Congestion Syndrome
- Endometriosis
Genitourinary
Gastrointestinal
- Gastroenteritis
- Appendicitis
- Bowel obstruction
- Perirectal abscess
- Diverticulitis
- Inflammatory bowel disease
- Irritable bowel syndrome
- Mesenteric adenitis
Musculoskeletal
- Abdominal wall hematoma
- Psoas hematoma, psoas abscess
- Hernia
Vascular
- Pelvic thrombophlebitis
- Abdominal aortic aneurysm
- Ischemic bowel (Mesenteric Ischemia)
Workup
- CBC
- ESR/CRP
- TVUS (Sn 75-82%)
- or
- CT pelvis (Sn 78-100%)
- Preferred with patients in whom associated GI pathology must be excluded
Management
- OB/GYN consult
- Majority (60-80%) resolve with antibiotics alone
Outpatient
- Ceftriaxone 250 mg IM once PLUS doxycycline 100 mg PO BID x14 days
- Add metronidazole 500 mg PO BID x14 days if suspicion of bacterial vaginitis or gyn instrumentation in preceding 2-3 wks
Inpatient
- Cefoxitin 2gm IV q6hr OR cefotetan 2gm IV q12hr) + doxycycline PO or IV 100 mg q12hr OR
- Clindamycin 900mg IV q8h + gentamicin 2mg/kg QD OR
- Ampicillin-sulbactam 3gm IV q6hr + doxycycline 100mg IV/PO q12hr
Disposition
- Admission
See Also
References
- ↑ Norris DL, Young JD. UTI. EM Clin N Am. 2008; 26:413-30.