Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
Pediatric_Oncology_A_Comprehensive_Guide.pdf
Скачиваний:
23
Добавлен:
10.02.2016
Размер:
1.86 Mб
Скачать

180

P. Imbach

 

 

Histological grading of testicular teratoma

Grade 0: Mature tissue without mitoses

Grade 1: Some immaturity of tissue without or with limited neuroepithelium

Grade 2: Immature tissue with moderate presence of neuroepithelium

Grade 3: Prominent immature tissue and neuroepithelium

16.8.2.2 Therapy

Radical en bloc excision with favorable prognosis in stage I

In stages II and III as well as in adolescents after puberty: chemotherapy, then irradiation

16.8.3Testicular Embryonal Carcinoma

Mostly in males older than 10 years of age

Frequency is 20%

AFP ± b-HCG frequency level usually high

Therapy: radical surgery and chemotherapy

16.8.4Testicular Teratocarcinoma

Frequency 13%

Mostly in boys older than 10 years of age

Eighty percent with stage I and with a survival rate of 75% after surgical excision alone

In advanced stages, chemoand radiotherapy

16.8.5Testicular Seminoma (in Adults)

Mixed tumor with germ cells and choriocarcinoma cells

Rarely in male children and adolescents

16.9Ovarian Tumors and Subtypes

One percent of females with neoplasia have an ovarian tumor

Frequently in females between 10 and 14 years of age

In decreasing frequency: mature teratoma, dysgerminoma, yolk sac tumor, immature teratoma, mixed-cellular germ cell tumor, embryonal carcinoma, gonadoblastoma

Symptoms: abdominal pain; acute abdomen

Diagnosis: ultrasound, CT, MRI, show cystic abdominal/retroperitoneal mass

Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]