Nonneoplastic Lesions of the Ovary

Clement, Philip B.

doi:10.1007/978-1-4757-3889-6_16

Cited by 10 publications

(16 citation statements)

References 342 publications

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“…Even in extensive type 1 hyperintensity, the wall of the follicles, the wall of the cysts, and the more peripheral layer of cortical parenchyma (tunica albuginea) tended to be spared. These findings are in concordance with pathologic findings of MOE (9–11). Another zone that was partly spared or less intense on T2‐weighted images in some cases was the hilum of the ovary (Fig.…”

Section: Discussionsupporting

confidence: 89%

“…MOE is actually considered by most authors as secondary to torsion or intermittent torsion (10, 11). Few cases of MOE have been reported in association with obstruction of ovarian lymphatics secondary to metastatic carcinoma within pelvic and paraaortic lymphnodes (11). Pelvic inflammatory disease (PID) with associated inflammation and edema would be the main differential diagnosis in clinical practice.…”

Section: Discussionmentioning

confidence: 99%

“…In PID, most authors emphasize the presence of abscess, pyosalpinx, and signs of inflammation of the peritoneum (17, 18). Ovarian vein thrombophlebitis (OVT) is associated at surgery with a congestive ovary (11). However, US, CT, and MR reports in the literature emphasize direct visualization of the thrombus and do not describe the ovaries (19, 20).…”

Section: Discussionmentioning

confidence: 99%

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Adnexal torsion: Magnetic resonance findings in the viable adnexa with emphasis on stromal ovarian appearance

Ghossain

Hachem

Hourany-Rizk

et al. 2004

Magnetic Resonance Imaging

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Purpose:To evaluate ultrasound (US) and magnetic resonance (MR) findings in the viable twisted adnexa. Materials and Methods:Ten patients underwent US and MR studies before surgical detorsion. Corrected cross-sectional area of the ovary was defined as cross-sectional area minus areas of cysts and follicles superior to 1 cm. On T2-weighted images, signal intensity of the stroma was graded as type 1 when it was equal to that of urine and type 2 when it was less than that of urine but markedly more than the contralateral side. Results:The tube was twisted in six cases and the ovary in nine cases. All adnexa were viable. The largest ovarian cross-sectional area and the largest corrected ovarian cross-sectional area of the twisted ovary were significantly larger than those of the contralateral ovary (P ϭ 0.043 for US; P ϭ 0.012 and 0.017, respectively, for MR). These ovaries contained types 1 and 2 hyperintensity in six cases and only type 2 hyperintensity in three cases. Tubal thickening was seen on MR in five cases. Conclusion:Tubal thickening, enlargement of ovarian stroma as reflected by the corrected cross-sectional area, and hyperintensity of this stroma on T2-weighted images probably related to edema were useful findings in these viable torsions.

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Section: Discussionsupporting

confidence: 89%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Adnexal torsion: Magnetic resonance findings in the viable adnexa with emphasis on stromal ovarian appearance

Ghossain

Hachem

Hourany-Rizk

et al. 2004

Magnetic Resonance Imaging

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“…Bilateral ovarian enlargement may reflect benign or malignant processes of the ovary. Benign causes of ovarian enlargement include luteomas, tumors such as mature cystic teratomas, fibrothecomas, cystadenomas and rare conditions including capillary hemangioma and massive edema of the ovaries1, 2. Ovarian malignancies include epithelial, stromal and germ cell tumors1.…”

Section: Discussionmentioning

confidence: 99%

Transient bilateral ovarian enlargement associated with large retroperitoneal lymphoma

Dalloul

Sherer

Gorelick

et al. 2007

Ultrasound in Obstet & Gyne

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CASE REPORTA 40-year-old woman, para 1, presented with increasing weakness and lower abdominal and pelvic pain of 3 months duration. Her medical history was unremarkable. She had been followed for a known uterine leiomyoma, and at her most recent transabdominal and transvaginal sonographic follow-up 6 months previously both ovaries were considered normal. Physical examination disclosed a healthy individual in no acute distress. She was afebrile, her blood pressure was 120/80 mmHg, and her pulse was 84 bpm. Her abdomen was soft and non-tender. Bimanual examination showed a myomatous uterus of size appropriate to 12 weeks' gestation. Both adnexa were considered mildly enlarged. Laboratory examinations disclosed a normal complete blood cell count, serum electrolytes, blood urea nitrogen, and creatinine. Transabdominal and transvaginal sonography confirmed the presence of a calcified intramural uterine leiomyoma of 6-cm diameter (unchanged from her previous assessment 6 months earlier). Both ovaries appeared homogeneously enlarged, the left measuring 8.4 × 5.4 × 3.5 cm (calculated volume 83 mL) (Figure 1) and the right 7.2 × 3.6 × 3.4 cm (calculated volume 46 mL). Both ovaries contained multiple cystic lesions. Owing to the consideration of possible bilateral adnexal disease, abdominal and pelvic computerized tomography (CT) images were obtained, depicting a large retroperitoneal tumor with marked displacement and compression of the inferior vena cava and renal veins (Figure 2). CT-guided biopsy of the retroperitoneal mass demonstrated diffuse large B cell lymphoma. The patient received multidrug intravenous chemotherapy consisting of cyclophosphamide, vincristine, rituximab, and doxorubicin. Following six cycles of the above medications, follow-up CT imaging demonstrated a significant decrease in the size of the retroperitoneal mass (Figure 3), and transabdominal and transvaginal sonography depicted normal-sized ovaries, the left measuring 4.6 × 3.0 × 1.5 cm (calculated volume 11 mL) (Figure 4) and the right 4.3 × 2.8 × 2.7 cm (calculated volume 17 mL). The patient is currently in complete remission,

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“…Ectopic extra‐uterine pregnancy is an event that concerns from 1/30 to 1/300 pregnancies 1,2 . Approximately 0.5–3.0% of these are ovarian pregnancies, a rare condition that occurs when a fertilized ovum implants itself in the ovary 2–4 . Because of the increased vascularity of the ovarian tissue, ovarian pregnancy usually results in rupture and hemoperitoneum.…”

mentioning

confidence: 99%

Ovarian pregnancy: Report of four cases and review of the literature

Itoh¹,

Ishihara

Koita

et al. 2003

Pathology International

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Ovarian ectopic pregnancy is rarely seen; it constitutes only 0.5-3% of all ectopic pregnancies and the incidence is only 1 for every 7000-40,000 deliveries. We herein report four cases of primary ovarian pregnancy encountered during the last 10 years in Miyazaki prefecture, Japan. The patients in all of these cases were admitted to their local hospitals with increased lower abdominal pain and intraperitoneal bleeding, and had surgery for total or partial oophorectomy. Grossly and microscopically, chorionic villi were exclusively found in the ovary but not in the fallopian tube, so that we diagnosed these cases as primary ovarian pregnancies. None of the patients were known to have used an intrauterine contraceptive device, which have been suggested as the cause of ovarian pregnancies in several studies. The incidence of ovarian pregnancy is recently increasing, and pathologists will have increased chances to diagnose this disease.

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Nonneoplastic Lesions of the Ovary

Cited by 10 publications

References 342 publications

Adnexal torsion: Magnetic resonance findings in the viable adnexa with emphasis on stromal ovarian appearance

Adnexal torsion: Magnetic resonance findings in the viable adnexa with emphasis on stromal ovarian appearance

Transient bilateral ovarian enlargement associated with large retroperitoneal lymphoma

Ovarian pregnancy: Report of four cases and review of the literature

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