- •Contents
- •Contributors
- •1 Introduction
- •2.1 Posterior Compartment
- •2.2 Anterior Compartment
- •2.3 Middle Compartment
- •2.4 Perineal Body
- •3 Compartments
- •3.1 Posterior Compartment
- •3.1.1 Connective Tissue Structures
- •3.1.2 Muscles
- •3.1.3 Reinterpreted Anatomy and Clinical Relevance
- •3.2 Anterior Compartment
- •3.2.1 Connective Tissue Structures
- •3.2.2 Muscles
- •3.2.3 Reinterpreted Anatomy and Clinical Relevance
- •3.2.4 Important Vessels, Nerves, and Lymphatics of the Anterior Compartment
- •3.3 Middle Compartment
- •3.3.1 Connective Tissue Structures
- •3.3.2 Muscles
- •3.3.3 Reinterpreted Anatomy and Clinical Relevance
- •3.3.4 Important Vessels, Nerves, and Lymphatics of the Middle Compartment
- •4 Perineal Body
- •References
- •MR and CT Techniques
- •1 Introduction
- •2.1 Introduction
- •2.2.1 Spasmolytic Medication
- •2.3.2 Diffusion-Weighted Imaging
- •2.3.3 Dynamic Contrast Enhancement
- •3 CT Technique
- •3.1 Introduction
- •3.2 Technical Disadvantages
- •3.4 Oral and Rectal Contrast
- •References
- •Uterus: Normal Findings
- •1 Introduction
- •References
- •1 Clinical Background
- •1.1 Epidemiology
- •1.2 Clinical Presentation
- •1.3 Embryology
- •1.4 Pathology
- •2 Imaging
- •2.1 Technique
- •2.2.1 Class I Anomalies: Dysgenesis
- •2.2.2 Class II Anomalies: Unicornuate Uterus
- •2.2.3 Class III Anomalies: Uterus Didelphys
- •2.2.4 Class IV Anomalies: Bicornuate Uterus
- •2.2.5 Class V Anomalies: Septate Uterus
- •2.2.6 Class VI Anomalies: Arcuate Uterus
- •2.2.7 Class VII Anomalies
- •References
- •Benign Uterine Lesions
- •1 Background
- •1.1 Uterine Leiomyomas
- •1.1.1 Epidemiology
- •1.1.2 Pathogenesis
- •1.1.3 Histopathology
- •1.1.4 Clinical Presentation
- •1.1.5 Therapy
- •1.1.5.1 Indications
- •1.1.5.2 Medical Therapy and Ablation
- •1.1.5.3 Surgical Therapy
- •1.1.5.4 Uterine Artery Embolization (UAE)
- •1.1.5.5 Magnetic Resonance-Guided Focused Ultrasound
- •2 Adenomyosis of the Uterus
- •2.1 Epidemiology
- •2.2 Pathogenesis
- •2.3 Histopathology
- •2.4 Clinical Presentation
- •2.5 Therapy
- •3 Imaging
- •3.2 Magnetic Resonance Imaging
- •3.2.1 Magnetic Resonance Imaging: Technique
- •3.2.2 MR Appearance of Uterine Leiomyomas
- •3.2.3 Locations, Growth Patterns, and Imaging Characteristics
- •3.2.4 Histologic Subtypes and Forms of Degeneration
- •3.2.5 Differential Diagnosis
- •3.2.6 MR Appearance of Uterine Adenomyosis
- •3.2.7 Locations, Growth Patterns, and Imaging Characteristics
- •3.2.8 Differential Diagnosis
- •3.3 Computed Tomography
- •3.3.1 CT Technique
- •3.3.2 CT Appearance of Uterine Leiomyoma and Adenomyosis
- •3.3.3 Atypical Appearances on CT and Differential Diagnosis
- •4.1 Indications
- •4.2 Technique
- •Bibliography
- •Cervical Cancer
- •1 Background
- •1.1 Epidemiology
- •1.2 Pathogenesis
- •1.3 Screening
- •1.4 HPV Vaccination
- •1.5 Clinical Presentation
- •1.6 Histopathology
- •1.7 Staging
- •1.8 Growth Patterns
- •1.9 Treatment
- •1.9.1 Treatment of Microinvasive Cervical Cancer
- •1.9.2 Treatment of Grossly Invasive Cervical Carcinoma (FIGO IB-IVA)
- •1.9.3 Treatment of Recurrent Disease
- •1.9.4 Treatment of Cervical Cancer During Pregnancy
- •1.10 Prognosis
- •2 Imaging
- •2.1 Indications
- •2.1.1 Role of CT and MRI
- •2.2 Imaging Technique
- •2.2.2 Dynamic MRI
- •2.2.3 Coil Technique
- •2.2.4 Vaginal Opacification
- •2.3 Staging
- •2.3.1 General MR Appearance
- •2.3.2 Rare Histologic Types
- •2.3.3 Tumor Size
- •2.3.4 Local Staging
- •2.3.4.1 Stage IA
- •2.3.4.2 Stage IB
- •2.3.4.3 Stage IIA
- •2.3.4.4 Stage IIB
- •2.3.4.5 Stage IIIA
- •2.3.4.6 Stage IIIB
- •2.3.4.7 Stage IVA
- •2.3.4.8 Stage IVB
- •2.3.5 Lymph Node Staging
- •2.3.6 Distant Metastases
- •2.4 Specific Diagnostic Queries
- •2.4.1 Preoperative Imaging
- •2.4.2 Imaging Before Radiotherapy
- •2.5 Follow-Up
- •2.5.1 Findings After Surgery
- •2.5.2 Findings After Chemotherapy
- •2.5.3 Findings After Radiotherapy
- •2.5.4 Recurrent Cervical Cancer
- •2.6.1 Ultrasound
- •2.7.1 Metastasis
- •2.7.2 Malignant Melanoma
- •2.7.3 Lymphoma
- •2.8 Benign Lesions of the Cervix
- •2.8.1 Nabothian Cyst
- •2.8.2 Leiomyoma
- •2.8.3 Polyps
- •2.8.4 Rare Benign Tumors
- •2.8.5 Cervicitis
- •2.8.6 Endometriosis
- •2.8.7 Ectopic Cervical Pregnancy
- •References
- •Endometrial Cancer
- •1.1 Epidemiology
- •1.2 Pathology and Risk Factors
- •1.3 Symptoms and Diagnosis
- •2 Endometrial Cancer Staging
- •2.1 MR Protocol for Staging Endometrial Carcinoma
- •2.2.1 Stage I Disease
- •2.2.2 Stage II Disease
- •2.2.3 Stage III Disease
- •2.2.4 Stage IV Disease
- •4 Therapeutic Approaches
- •4.1 Surgery
- •4.2 Adjuvant Treatment
- •4.3 Fertility-Sparing Treatment
- •5.1 Treatment of Recurrence
- •6 Prognosis
- •References
- •Uterine Sarcomas
- •1 Epidemiology
- •2 Pathology
- •2.1 Smooth Muscle Tumours
- •2.2 Endometrial Stromal Tumours
- •3 Clinical Background
- •4 Staging
- •5 Imaging
- •5.1 Leiomyosarcoma
- •5.2.3 Undifferentiated Uterine Sarcoma
- •5.3 Adenosarcoma
- •6 Prognosis and Treatment
- •References
- •1.1 Anatomical Relationships
- •1.4 Pelvic Fluid
- •2 Developmental Anomalies
- •2.1 Congenital Abnormalities
- •2.2 Ovarian Maldescent
- •3 Ovarian Transposition
- •References
- •1 Introduction
- •4 Benign Adnexal Lesions
- •4.1.1 Physiological Ovarian Cysts: Follicular and Corpus Luteum Cysts
- •4.1.1.1 Imaging Findings in Physiological Ovarian Cysts
- •4.1.1.2 Differential Diagnosis
- •4.1.2 Paraovarian Cysts
- •4.1.2.1 Imaging Findings
- •4.1.2.2 Differential Diagnosis
- •4.1.3 Peritoneal Inclusion Cysts
- •4.1.3.1 Imaging Findings
- •4.1.3.2 Differential Diagnosis
- •4.1.4 Theca Lutein Cysts
- •4.1.4.1 Imaging Findings
- •4.1.4.2 Differential Diagnosis
- •4.1.5 Polycystic Ovary Syndrome
- •4.1.5.1 Imaging Findings
- •4.1.5.2 Differential Diagnosis
- •4.2.1 Cystadenoma
- •4.2.1.1 Imaging Findings
- •4.2.1.2 Differential Diagnosis
- •4.2.2 Cystadenofibroma
- •4.2.2.1 Imaging Features
- •4.2.3 Mature Teratoma
- •4.2.3.1 Mature Cystic Teratoma
- •Imaging Findings
- •Differential Diagnosis
- •4.2.3.2 Monodermal Teratoma
- •Imaging Findings
- •4.2.4 Benign Sex Cord-Stromal Tumors
- •4.2.4.1 Fibroma and Thecoma
- •Imaging Findings
- •4.2.4.2 Sclerosing Stromal Tumor
- •Imaging Findings
- •4.2.5 Brenner Tumors
- •4.2.5.1 Imaging Findings
- •4.2.5.2 Differential Diagnosis
- •5 Functioning Ovarian Tumors
- •References
- •1 Introduction
- •2.1 Context
- •2.2.2 Indications According to Simple Rules
- •References
- •CT and MRI in Ovarian Carcinoma
- •1 Introduction
- •2.1 Familial or Hereditary Ovarian Cancers
- •3 Screening for Ovarian Cancer
- •5 Tumor Markers
- •6 Clinical Presentation
- •7 Imaging of Ovarian Cancer
- •7.1.2 Peritoneal Carcinomatosis
- •7.1.3 Ascites
- •7.3 Staging of Ovarian Cancer
- •7.3.1 Staging by CT and MRI
- •Imaging Findings According to Tumor Stages
- •Value of Imaging
- •7.3.2 Prediction of Resectability
- •7.4 Tumor Types
- •7.4.1 Epithelial Ovarian Cancer
- •High-Grade Serous Ovarian Cancer
- •Low-Grade Serous Ovarian Cancer
- •Mucinous Epithelial Ovarian Cancer
- •Endometrioid Ovarian Carcinomas
- •Clear Cell Carcinomas
- •Imaging Findings of Epithelial Ovarian Cancers
- •Differential Diagnosis
- •Borderline Tumors
- •Imaging Findings
- •Differential Diagnosis
- •Recurrent Ovarian Cancer
- •Imaging Findings
- •Differential Diagnosis
- •Value of Imaging
- •Malignant Germ Cell Tumors
- •Dysgerminomas
- •Imaging Findings
- •Differential Diagnosis
- •Immature Teratomas
- •Imaging Findings
- •Malignant Transformation in Benign Teratoma
- •Imaging Findings
- •Differential Diagnosis
- •Sex-Cord Stromal Tumors
- •Granulosa Cell Tumors
- •Imaging Findings
- •Sertoli-Leydig Cell Tumor
- •Imaging Findings
- •Ovarian Lymphoma
- •Imaging Findings
- •Differential Diagnosis
- •7.4.3 Ovarian Metastases
- •Imaging Findings
- •Differential Diagnosis
- •7.5 Fallopian Tube Cancer
- •7.5.1 Imaging Findings
- •Differential Diagnosis
- •References
- •Endometriosis
- •1 Introduction
- •2.1 Sonography
- •3 MR Imaging Findings
- •References
- •Vagina and Vulva
- •1 Introduction
- •3.1 CT Appearance
- •3.2 MRI Protocol
- •3.3 MRI Appearance
- •4.1 Imperforate Hymen
- •4.2 Congenital Vaginal Septa
- •4.3 Vaginal Agenesis
- •5.1 Vaginal Cysts
- •5.1.1 Gardner Duct Cyst (Mesonephric Cyst)
- •5.1.2 Bartholin Gland Cyst
- •5.2.1 Vaginal Infections
- •5.2.1.1 Vulvar Infections
- •5.2.1.2 Vulvar Thrombophlebitis
- •5.3 Vulvar Trauma
- •5.4 Vaginal Fistula
- •5.5 Post-Radiation Changes
- •5.6 Benign Tumors
- •6.1 Vaginal Malignancies
- •6.1.1 Primary Vaginal Carcinoma
- •6.1.1.1 MRI Findings
- •6.1.1.2 Lymph Node Drainage
- •6.1.1.3 Recurrence and Complications
- •6.1.2 Non-squamous Cell Carcinomas of the Vagina
- •6.1.2.1 Adenocarcinoma
- •6.1.2.2 Melanoma
- •6.1.2.3 Sarcomas
- •6.1.2.4 Lymphoma
- •6.2 Vulvar Malignancies
- •6.2.1 Vulvar Carcinoma
- •6.2.2 Melanoma
- •6.2.3 Lymphoma
- •6.2.4 Aggressive Angiomyxoma of the Vulva
- •7 Vaginal Cuff Disease
- •7.1 MRI Findings
- •8 Foreign Bodies
- •References
- •Imaging of Lymph Nodes
- •1 Background
- •3 Technique
- •3.1.1 Intravenous Unspecific Contrast Agents
- •3.1.2 Intravenous Tissue-Specific Contrast Agents
- •References
- •1 Introduction
- •2.1.1 Imaging Findings
- •2.1.2 Differential Diagnosis
- •2.1.3 Value of Imaging
- •2.2 Pelvic Inflammatory
- •2.2.1 Imaging Findings
- •2.3 Hydropyosalpinx
- •2.3.1 Imaging Findings
- •2.3.2 Differential Diagnosis
- •2.4 Tubo-ovarian Abscess
- •2.4.1 Imaging Findings
- •2.4.2 Differential Diagnosis
- •2.4.3 Value of Imaging
- •2.5 Ovarian Torsion
- •2.5.1 Imaging Findings
- •2.5.2 Differential Diagnosis
- •2.5.3 Diagnostic Value
- •2.6 Ectopic Pregnancy
- •2.6.1 Imaging Findings
- •2.6.2 Differential Diagnosis
- •2.6.3 Value of Imaging
- •3.1 Pelvic Congestion Syndrome
- •3.1.1 Imaging Findings
- •3.1.2 Differential Diagnosis
- •3.1.3 Value of Imaging
- •3.2 Ovarian Vein Thrombosis
- •3.2.1 Imaging Findings
- •3.2.2 Differential Diagnosis
- •3.2.3 Value of Imaging
- •3.3 Appendicitis
- •3.3.1 Imaging Findings
- •3.3.2 Value of Imaging
- •3.4 Diverticulitis
- •3.4.1 Imaging Findings
- •3.4.2 Differential Diagnosis
- •3.4.3 Value of Imaging
- •3.5 Epiploic Appendagitis
- •3.5.1 Imaging Findings
- •3.5.2 Differential Diagnosis
- •3.5.3 Value of Imaging
- •3.6 Crohn’s Disease
- •3.6.1 Imaging Findings
- •3.6.2 Differential Diagnosis
- •3.6.3 Value of Imaging
- •3.7 Rectus Sheath Hematoma
- •3.7.1 Imaging Findings
- •3.7.2 Differential Diagnosis
- •3.7.3 Value of Imaging
- •References
- •MRI of the Pelvic Floor
- •1 Introduction
- •2 Imaging Techniques
- •3.1 Indications
- •3.2 Patient Preparation
- •3.3 Patient Instruction
- •3.4 Patient Positioning
- •3.5 Organ Opacification
- •3.6 Sequence Protocols
- •4 MR Image Analysis
- •4.1 Bony Pelvis
- •5 Typical Findings
- •5.1 Anterior Compartment
- •5.2 Middle Compartment
- •5.3 Posterior Compartment
- •5.4 Levator Ani Muscle
- •References
- •Evaluation of Infertility
- •1 Introduction
- •2 Imaging Techniques
- •2.1 Hysterosalpingography
- •2.1.1 Cycle Considerations
- •2.1.2 Technical Considerations
- •2.1.3 Side Effects and Complications
- •2.1.5 Pathological Findings
- •2.1.6 Limitations of HSG
- •2.2.1 Cycle Considerations
- •2.2.2 Technical Considerations
- •2.2.2.1 Normal and Abnormal Anatomy
- •2.2.3 Accuracy
- •2.2.4 Side Effects and Complications
- •2.2.5 Limitations of Sono-HSG
- •2.3 Magnetic Resonance Imaging
- •2.3.1 Indications
- •2.3.2 Technical Considerations
- •2.3.3 Limitations
- •3 Ovulatory Dysfunction
- •4 Pituitary Adenoma
- •5 Polycystic Ovarian Syndrome
- •7 Uterine Disorders
- •7.1 Müllerian Duct Anomalies
- •7.1.1 Class I: Hypoplasia or Agenesis
- •7.1.2 Class II: Unicornuate
- •7.1.3 Class III: Didelphys
- •7.1.4 Class IV: Bicornuate
- •7.1.5 Class V: Septate
- •7.1.6 Class VI: Arcuate
- •7.1.7 Class VII: Diethylstilbestrol Related
- •7.2 Adenomyosis
- •7.3 Leiomyoma
- •7.4 Endometriosis
- •References
- •MR Pelvimetry
- •1 Clinical Background
- •1.3.1 Diagnosis
- •1.3.2.1 Cephalopelvic Disproportion
- •1.3.4 Inadequate Progression of Labor due to Inefficient Contraction (“the Powers”)
- •2.2 Palpation of the Pelvis
- •3 MR Pelvimetry
- •3.2 MR Imaging Protocol
- •3.3 Image Analysis
- •3.4 Reference Values for MR Pelvimetry
- •5 Indications for Pelvimetry
- •References
- •MR Imaging of the Placenta
- •2 Imaging of the Placenta
- •3 MRI Protocol
- •4 Normal Appearance
- •4.1 Placenta Variants
- •5 Placenta Adhesive Disorders
- •6 Placenta Abruption
- •7 Solid Placental Masses
- •9 Future Directions
- •References
- •Erratum to: Endometrial Cancer
Vagina and Vulva |
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a |
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c
Fig.22 Aggressive angiomyxoma of the vulva. (a) Sagittal T2WI depicts large heterogeneous, sharply defined perineal mass, mainly hyperintense (arrow). Uterus leiomyomas (arrowheads) are also seen as hypointense lesions. Axial (b) T1WI and (c) fat-saturated contrast-enhanced
T1WI. The tumor (arrow) appears of intermediate T1 signal and enhances strongly after gadolinium administration. The characteristic swirled internal architecture of the neoplasm is seen on both T2WI and post-contrast T1WI (Courtesy Dr. Forstner R, Salzburg, Austria)
7.1\ MRI Findings |
8\ |
Foreign Bodies |
The vaginal cuff may be linear and smooth or partially obscured by surgical clip artifacts. It may also have a nodular appearance, with a signal intensity similar to that of muscle that closely mimics a vaginal mass on TIWI. Differentiation is possible on T2WI, where the vagina has a normal appearance, and the hypointense layer of the vaginal smooth muscle can be distinguished from the bright outer layer of the connective tissue (Fig. 23). In cases of recurrence, the tumor is relatively hyperintense on T2WI, obliterating the hypointense vaginal muscularis (Fig. 24) (Walker et al. 2011; Brown et al. 1992).
Knowledge of the imaging characteristics of vaginal foreign bodies aids in assessing the vagina and in avoiding a misdiagnosis of pelvic disease (Fig. 25). Patients often inadvertently leave tampons in place during imaging examinations. Vaginal pessary devices have been used for over 100 years for the treatment of uterine, vaginal, urinary bladder, and rectal prolapse as well as urinary incontinence. They are simple mechanical devices of variable size and shape, which can be left in place for long periods, even years (Walker et al. 2011; Hunter and Taljanovic 2005).
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Fig. 23 Normal appearance of the vaginal cuff (long arrow) in a 74-year-old woman after total hysterectomy for endometrial carcinoma. (a) T1WI and (b) T2WI in
axial orientation depict muscularis of vaginal cuff with low T2 signal, surrounded by bright connective tissue layer of vaginal wall
a |
b |
c |
d |
Fig. 24 Axial (a) T1WI, (b) T2WI, (c) dynamic contrastenhanced subtracted MR image (early phase), and (d) ADC map depict cervical carcinoma recurrence at the vaginal cuff. The tumor (long arrow) is detected with
intermediate and slightly high signal intensity on T1WI and T2WI, respectively, enhancing strongly on early imaging and causing restricted diffusion
Vagina and Vulva |
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Fig. 25 Eight-year-old female presenting with vaginal bleeding, without signs of precocious puberty. (a) Sagittal T1WI and axial (b) unenhanced and (c) contrast-enhanced T1WI with fat saturation depict intravaginal lesion (long
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