Article
CBL Syndrome With Granular Cell Tumor and café au lait macules: Expansion of the Phenotype.
American journal of medical genetics. Part A - 1 Sept 2026
Harrington Caitlin N, Kohl Emily, Gilitwala Zainab, Teng Joyce, Siegel Dawn H, Charville Gregory W, Steffner Robert J, Stevenson David A
Abstract excerpt
CBL syndrome is a RASopathy with phenotypic variability including neurodevelopmental differences, cardiac defects, growth delay, dysmorphic and cutaneous findings, hematologic, immunologic, and vascular manifestations, and predisposition to juvenile myelomonocytic leukemia (JMML). We present a patient with a germline likely pathogenic variant in CBL with ten café au lait macules and a recurrent granular cell...
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