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Mediastinal Yolk Sac Tumor C1334683

Published: July 22, 2026Updated: August 20, 2026

A rare malignant germ cell tumor of the chest, most common in young males. Treated with surgery and chemotherapy, with outcomes depending on tumor stage.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
C80.1
ICD-11
2A00.0
Body system
oncologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Chest pain

!

Hemoptysis

Generalized symptoms

(oncologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Cough

(oncologic)

Gynecomastia

(oncologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Complete tumor resection

Aggressive surgical removal of the mediastinal yolk sac tumor when anatomically feasible, aiming for complete resection with negative margins.

surgical
2

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

BEP chemotherapy regimen

Bleomycin, etoposide, and cisplatin combination chemotherapy following surgery for metastatic or high-risk disease to prevent recurrence.

medication

Additional treatment options

Tumor marker monitoring

Serial measurements of AFP and other tumor markers to assess treatment response, detect recurrence, and guide therapeutic decisions.

procedure

Long-term surveillance imaging

Regular chest CT and MRI scans for early detection of local recurrence or metastatic disease, typically for 5 years post-treatment.

monitoring

Fertility preservation counseling

Reproductive endocrinology consultation for sperm banking or ovarian tissue preservation prior to chemotherapy in adolescent and adult patients.

complementary

When to seek medical help

Recognize when you need immediate medical attention.

See a doctor within 24 hours

Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.

Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Mediastinal Yolk Sac Tumor C1334683?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Medication Comparisons

Compare medications used to treat Mediastinal Yolk Sac Tumor C1334683. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy