by dr. khansa iqbal senior registrar gynae unit-ii
TRANSCRIPT
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IMMATURE TERATOMA
LITERATURE REVIEW
BY
DR. KHANSA IQBAL SENIOR REGISTRAR GYNAE UNIT-II
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Germ cell tumors - Immature teratoma
Clinical features
Management
Approach to young girl’s future fertility prospects
Need for adjuvant chemotherapy
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CLASSIFICATION OF OVARIAN TUMORS
Epithelial ovarian cancer 65 – 70 %
Benign
Malignant
Germ cell tumors 15%
Benign
Malignant
Sex cord stromal cell origin 10 %
Benign
Malignant
Metastatic ovarian carcinomas 05 %
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HISTOLOGICAL TYPING OF OVARIAN GERM CELL TUMORS
Primitive germ cell tumor includesDysgerminoma Yolk sac tumor
Biphasic or triphasic teratomaImmature teratoma Mature teratoma
Monodermal teratomaThyroid tumorCarcinoids
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MATURE CYSTIC TERATOMA
0.2 to 02% malignant potential
Mainly Squamous cell carcinoma
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IMMATURE TERATOMA WHO DEFINITION
Teratoma containing variable amount of immature
embryonal type neuroectodermal tissue
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IMMATURE TERATOMA
Incidence
01% of all ovarian cancers
03% of all teratomas
20% of malignant ovarian germ cell tumors
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IMPORTANCE OF GERM CELL TUMORS
Heterogeneous and complex group of diseases
Women of young age group
Modern treatment – highly curable
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GRADES
Grade 0: Mature tissue only
Grade 1: Limited immature neuroepithelial tissue
Grade 2: Moderate immature neuroepithelial
tissue
Grade 3: Large immature neuroepithelial tissue
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CLINICAL FEATURES
Age:
Essentially in first two decades of life
1/3 malignant
Ethnicity
Rapid progression
Sub acute pelvic pain
Haemorrhage
Necrosis
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CLINICAL FEATURES (Cont….)
Pressure symptoms
Abdominal ascites
Menstrual irregularities
Pseudoprecocious puberty
Paraneoplastic syndrome
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SIGNS
Palpable abdominopelvic mass
Ascites / pleural effusion
Organomegaly
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MANAGEMENT
Diagnosis
Investigations
Blood CP
BSR
Urine R/E
HBsAg / Anti HCV
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SPECIFIC INVESTIGATIONS
Tumor markers Serum beta HCG Serum AFP titre Serum CA-125 Serum LDH
USG abdomen and pelvis LFT’s Chest X ray Karyotyping Abdomino pelvic CT scan / MRI
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SPECIFIC INVESTIGATIONS (Cont…)TUMOR MARKERS
Embryonal carcinoma: Serum AFP and
Serum Beta HCG
Endodermal sinus tumour : Serum AFP
Choriocarcinoma: Serum beta HCG
Dysgerminoma: PLAP and Serum LDH
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FIGO STAGING OF OVARIAN CARCINOMA Stage 1
Growth limited to ovaries
Stage 2Growth on one or both ovaries with peritoneal implants
within the pelvis
Stage 3Tumor in one or both ovaries with peritoneal implants
outside the pelvis or retroperitoneal node metastasis
Stage 4Tumor involving one or both ovaries with distant metastasis
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CRITERIA FOR POTENTIAL FERTILITY SPARING SURGERY IN OVARIAN CA
Patient desirous of preserving fertilityPatient and family consent and agreement for close
follow upNo evidence of dysgenetic gonads Specific situations
Any unilateral malignant germ cell tumorAny unilateral sex cord stromal tumorAny unilateral borderline tumorStage 1A epithelial tumor
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DISCUSSION WITH FAMILY
Conservative surgery
Repeat surgery
Adjuvant chemotherapy
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TREATMENT
Surgery
Staging laparotomy
Unilateral salpingo-oophorectomy and complete staging
? ? Debulking surgery
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TREATMENT (Cont….)
Adjuvant chemotherapy (BEP Regimen)
Advanced Disease
Recurrent disease
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TREATMENT (Cont….)
Second look Laparotomy
Radiotherapy: No role in primary treatment
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PROGNOSIS
Depends on
Undifferentiated neural tissue
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FIVE YEARS SURVIVAL RATE
Stage 1 grade 1 disease: 90 – 95 %
All stages of Immature teratoma: 70 – 80
%
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CONCLUSION
Morphologic pattern is varied and complex
Combination of surgery and chemotherapy has
longer survival
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TAKE HOME MESSAGE
Management of ovarian tumors at a younger age group
still poses a challenge for the clinician
Early recognition, timely diagnosis and thorough
surgical staging are hall marks for successful outcome
An expert gynaecologist is the right person to manage
these cases who knows the importance of conservative
surgery for maintenance of future reproductive function.
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