Rhabdoid tumor predisposition syndrome 2

Rhabdoid tumor predisposition syndrome (RTPS) is characterized by a markedly increased risk of developing rhabdoid tumors – rare and highly aggressive malignant tumors occurring predominantly in infants and children younger than age three years. Rhabdoid tumors can occur in almost any anatomic location, commonly in the central nervous system (i.e., atypical teratoid/rhabdoid tumor [AT/RT]); more than 50% occur in the cerebellum. Other common locations include extracranial extrarenal malignant rhabdoid tumors (e.g., rhabdoid tumors of the head and neck, paravertebral muscles, liver, bladder, mediastinum, retroperitoneum, pelvis, and heart) (eMRT), rhabdoid tumor of the kidney (RTK), and possibly small-cell carcinoma of the ovary (hypercalcemic type). Individuals with RTPS typically present before age 12 months with synchronous tumors that exhibit aggressive clinical behavior.

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