Unusual causes of tubo-ovarian abscess: CT and MR imaging findings

Sun Ho Kim, Seung Hyup Kim, Dal Mo Yang, Kyeong A. Kim

Research output: Contribution to journalReview article

82 Citations (Scopus)

Abstract

Actinomycosis, tuberculosis, and xanthogranulomatous inflammation are rare but specific causes of tubo-ovarian abscess (TOA). TOAs with these causes are frequently misdiagnosed as ovarian malignancies due to their unusual appearances at computed tomography (CT) and magnetic resonance (MR) imaging. Tubo-ovarian actinomycosis frequently has a predominantly solid appearance. A linear, solid, well-enhancing lesion extending directly from the mass is a characteristic CT and MR imaging finding. Small rim-enhancing lesions in the solid part of the mass are also suggestive of actinomycosis. Tuberculous TOAs usually mimic peritoneal carcinomatosis from ovarian cancers. The granulomatous and fibrotic nature of this infection may be reflected in the CT and MR imaging appearances, which can help in differentiation. TOAs from xanthogranulomatous inflammation demonstrate more nonspecific imaging findings than actinomycotic or tuberculous TOAs, although multiple xanthogranulomas in the mass may be seen on MR images. Knowledge of these characteristics can help one make the correct diagnosis and treat the patients appropriately.

Original languageEnglish
JournalRadiographics
Volume24
Issue number6
StatePublished - 1 Nov 2004

Fingerprint

Actinomycosis
Abscess
Tomography
Magnetic Resonance Imaging
Inflammation
Diagnostic Errors
Ovarian Neoplasms
Tuberculosis
Magnetic Resonance Spectroscopy
Carcinoma
Infection
Neoplasms

Keywords

  • Actinomycosis, 85.2044
  • Fallopian tubes, abscess, 853.2174
  • Ovary, abnormalities, 852.2174
  • Ovary, neoplasms, 852.30
  • Tuberculosis, genitourinary, 85.231

Cite this

Kim, Sun Ho ; Kim, Seung Hyup ; Yang, Dal Mo ; Kim, Kyeong A. / Unusual causes of tubo-ovarian abscess : CT and MR imaging findings. In: Radiographics. 2004 ; Vol. 24, No. 6.
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abstract = "Actinomycosis, tuberculosis, and xanthogranulomatous inflammation are rare but specific causes of tubo-ovarian abscess (TOA). TOAs with these causes are frequently misdiagnosed as ovarian malignancies due to their unusual appearances at computed tomography (CT) and magnetic resonance (MR) imaging. Tubo-ovarian actinomycosis frequently has a predominantly solid appearance. A linear, solid, well-enhancing lesion extending directly from the mass is a characteristic CT and MR imaging finding. Small rim-enhancing lesions in the solid part of the mass are also suggestive of actinomycosis. Tuberculous TOAs usually mimic peritoneal carcinomatosis from ovarian cancers. The granulomatous and fibrotic nature of this infection may be reflected in the CT and MR imaging appearances, which can help in differentiation. TOAs from xanthogranulomatous inflammation demonstrate more nonspecific imaging findings than actinomycotic or tuberculous TOAs, although multiple xanthogranulomas in the mass may be seen on MR images. Knowledge of these characteristics can help one make the correct diagnosis and treat the patients appropriately.",
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Unusual causes of tubo-ovarian abscess : CT and MR imaging findings. / Kim, Sun Ho; Kim, Seung Hyup; Yang, Dal Mo; Kim, Kyeong A.

In: Radiographics, Vol. 24, No. 6, 01.11.2004.

Research output: Contribution to journalReview article

TY - JOUR

T1 - Unusual causes of tubo-ovarian abscess

T2 - CT and MR imaging findings

AU - Kim, Sun Ho

AU - Kim, Seung Hyup

AU - Yang, Dal Mo

AU - Kim, Kyeong A.

PY - 2004/11/1

Y1 - 2004/11/1

N2 - Actinomycosis, tuberculosis, and xanthogranulomatous inflammation are rare but specific causes of tubo-ovarian abscess (TOA). TOAs with these causes are frequently misdiagnosed as ovarian malignancies due to their unusual appearances at computed tomography (CT) and magnetic resonance (MR) imaging. Tubo-ovarian actinomycosis frequently has a predominantly solid appearance. A linear, solid, well-enhancing lesion extending directly from the mass is a characteristic CT and MR imaging finding. Small rim-enhancing lesions in the solid part of the mass are also suggestive of actinomycosis. Tuberculous TOAs usually mimic peritoneal carcinomatosis from ovarian cancers. The granulomatous and fibrotic nature of this infection may be reflected in the CT and MR imaging appearances, which can help in differentiation. TOAs from xanthogranulomatous inflammation demonstrate more nonspecific imaging findings than actinomycotic or tuberculous TOAs, although multiple xanthogranulomas in the mass may be seen on MR images. Knowledge of these characteristics can help one make the correct diagnosis and treat the patients appropriately.

AB - Actinomycosis, tuberculosis, and xanthogranulomatous inflammation are rare but specific causes of tubo-ovarian abscess (TOA). TOAs with these causes are frequently misdiagnosed as ovarian malignancies due to their unusual appearances at computed tomography (CT) and magnetic resonance (MR) imaging. Tubo-ovarian actinomycosis frequently has a predominantly solid appearance. A linear, solid, well-enhancing lesion extending directly from the mass is a characteristic CT and MR imaging finding. Small rim-enhancing lesions in the solid part of the mass are also suggestive of actinomycosis. Tuberculous TOAs usually mimic peritoneal carcinomatosis from ovarian cancers. The granulomatous and fibrotic nature of this infection may be reflected in the CT and MR imaging appearances, which can help in differentiation. TOAs from xanthogranulomatous inflammation demonstrate more nonspecific imaging findings than actinomycotic or tuberculous TOAs, although multiple xanthogranulomas in the mass may be seen on MR images. Knowledge of these characteristics can help one make the correct diagnosis and treat the patients appropriately.

KW - Actinomycosis, 85.2044

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KW - Ovary, abnormalities, 852.2174

KW - Ovary, neoplasms, 852.30

KW - Tuberculosis, genitourinary, 85.231

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