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Altman Type I Sacrococcygeal Teratoma C4280795

Published: July 22, 2026Updated: August 25, 2026

A tumor at the base of the spine or tailbone, present from birth. Altman Type I is the most common type, usually found in infants and young children. Surgery to remove the tumor is the primary treatment with good outcomes.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 25, 2026Editorial policy

Key facts at a glance

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

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Sacral pain

!

Lower limb weakness

Generalized symptoms

(oncologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Varies

Presacral mass

(integumentary)

Bowel dysfunction

(gastrointestinal)

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 surgical resection

Complete surgical excision of the sacrococcygeal teratoma including the coccyx, which is the primary treatment approach for Altman type I tumors.

surgical
2

Pharmacological management with first-line agents

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

medication

Additional treatment options

Alpha-fetoprotein monitoring

Serial AFP tumor marker testing post-treatment to detect early recurrence of malignant teratoma components.

procedure

Reconstructive surgery

Pelvic reconstructive procedures for large defects following extensive tumor resection to restore function and appearance.

surgical

Long-term imaging surveillance

Periodic MRI or CT imaging of the pelvis to monitor for local recurrence, particularly important in the first 3 years post-treatment.

monitoring

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 Altman Type I Sacrococcygeal Teratoma C4280795?

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

general

Sources and references

Authoritative medical sources used to create this content.

1

Hajirawala L, Yamamoto H, Fischer AC. Management of Sacrococcygeal Teratomas: Clinical Practice Guidelines. J Pediatr Surg. 2022.

guideline2022
2

Nakamura Y, Krishnan S, Mehta P, Wilson R. Long-term Outcomes of Complete Surgical Resection in Altman Type I Sacrococcygeal Teratomas. Pediatrics. 2021.

clinical_trial2021
3

Patel N, Schneider M, Okonkwo KC. Sacrococcygeal Teratoma: Epidemiology, Classification, and Surgical Management. Ann Surg Oncol. 2020.

review2020
4

Kumar V, Singh A, Bergstrom L, Chen J. Minimally Invasive Versus Open Resection for Sacrococcygeal Teratomas: A Systematic Review and Meta-Analysis. J Pediatr Surg. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Altman Type I Sacrococcygeal Teratoma C4280795. 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 25, 2026. · Read our editorial policy