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Related Concept Videos

Teratogenicity01:07

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
Abnormal Proliferation02:23

Abnormal Proliferation

Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
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Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...

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Updated: May 19, 2026

Teratoma Generation in the Testis Capsule
05:24

Teratoma Generation in the Testis Capsule

Published on: November 7, 2011

[Growing teratoma syndrome].

M Dusaud1, X Durand, M Lahutte

  • 1Service d'urologie, hôpital du Val-de-Grâce, 74, boulevard de Port-Royal, 75230 Paris cedex 05, France. marie.dusaud@gmail.com

Progres En Urologie : Journal De L'Association Francaise D'Urologie Et De La Societe Francaise D'Urologie
|August 28, 2012
PubMed
Summary
This summary is machine-generated.

Growing teratoma syndrome (GTS) involves enlarging masses after chemotherapy for testicular cancer. Complete surgical removal of these mature teratomas offers an excellent prognosis, despite surgical challenges.

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Area of Science:

  • Oncology
  • Surgical Oncology
  • Pathology

Context:

  • Growing teratoma syndrome (GTS) is a rare complication following chemotherapy for non-seminomatous germ cell tumors of the testis (NSGCT).
  • It is characterized by enlarging metastatic masses in the retroperitoneum or other sites, despite normalized tumor markers.
  • Histologically, these masses consist of mature teratoma without viable germ cell tumor components.

Purpose:

  • To define the diagnostic criteria for Growing Teratoma Syndrome.
  • To emphasize the importance of complete surgical resection for optimal patient outcomes.
  • To highlight the technical challenges and urgency associated with surgical management of GTS.

Summary:

  • Growing teratoma syndrome is defined by three criteria: enlarging metastatic masses, normalized serum markers, and mature teratoma without viable germ cells.
  • Surgical excision is the recommended treatment for GTS.
  • Complete resection is crucial for an excellent prognosis, though technically demanding.

Impact:

  • Complete surgical excision of growing teratoma syndrome lesions leads to an excellent prognosis.
  • Prompt surgical intervention is necessary due to the technical challenges and potential for serious intraoperative complications.
  • Understanding GTS is vital for oncologists and surgeons managing testicular cancer survivors.