Table 3. Clinical Features of Patients With PHTS and Pathogenic and Likely-Pathogenic CNVs.
Patient Identification | Germline PTEN Mutationa | Phenotype Group | Sex | Neurodevelopmental and Cognitive Features | Other Clinical Features |
---|---|---|---|---|---|
CCF00105 | p.Lys164Argfs*3 | ASD/DD | Male | Intellectual disability | Thyroid cancer (7 y of age), renal cell cancer (21 y of age), benign skin neoplasm, acral keratoses, trichilemmoma, lipoma, arteriovenous malformation, thyroid nodule |
CCF00301 | p.Met239Thr | ASD/DD | Male | Intellectual disability | Macrocephaly |
CCF00547 | Whole gene deletion | ASD/DD | Male | Global DD | Macrocephaly, dysmorphic features, epilepsy, juvenile polyps, tan macules on glans penis and penile shaft, cryptorchidism, mild chordee |
CCF03028 | Whole gene deletion | ASD/DD | Male | Mental retardation | Macrocephaly, dysmorphic features, juvenile polyposis syndrome, GI polyps, arteriovenous malformation, oral mucosa papilloma, tan macules on glans penis and penile shaft |
CCF05681 | p.Leu139Phe | ASD/DD | Male | ASD, global DD | Macrocephaly, dysmorphic features, café-au-lait spots |
CCF06601 | p.Ala39Thr | ASD/DD | Male | ASD, global DD | Macrocephaly, isolated hemihyperplasia, skin tag |
CCF08207 | p.Cys136Arg | ASD/DD | Female | Variable delay | Macrocephaly, oral mucosa papilloma, lobular breast carcinoma in situ (44 y of age), benign breast disease, goiter, ovarian cysts, skin tag |
CCF11952 | p.Arg130* | ASD/DD | Male | Global DD | Macrocephaly, hemangioma, lipoma |
CCF07685 | p.Asn12Thr | ASD/DD | Male | Global DD | Macrocephaly, dysmorphic features |
CCF08084 | p.Tyr68Cys | ASD/DD | Female | Global DD, anxiety disorder | Macrocephaly and dolicocephaly, café-au-lait spots, ventriculomegaly, Rathke cleft cyst, skin thickening |
CCF10918 | p.Thr319Asnfs*6 | ASD/DD | Female | Mental retardation, global DD | Macrocephaly, dysmorphic features, hirsutism |
CCF05270 | p.Gly129Glu | No ASD/DD | Female | NA | Macrocephaly, GI polyps, arteriovenous malformation, benign breast disease, colon lipoma, glycogenic acanthosis, goiter, skin tag |
CCF13078 | p.Thr319* | No ASD/DD | Female | NA | Macrocephaly, GI polyps, benign neurologic neoplasms, benign breast disease, lipoma, neoplasms in vascular tissue, skin papilloma, thyroid nodule |
CCF13466 | p.Arg335* | No ASD/DD | Male | NA | Macrocephaly and dolicocephaly, Chiari malformation type I, syndactyly (toes 2 and 3), papillomatous papules, multiple melanocytic nevi, nevus flammeus of face, epidermal nevus |
CCF01879 | p.Arg335* | No ASD/DD (cancer) | Male | NA | Macrocephaly, thyroid cancer (69 y of age), GI polyps, angiolipoma, lipoma, basal cell carcinoma, benign neoplasm of skin, goiter, oral mucosa papilloma, skin papilloma, trichilemmoma |
CCF04392 | p.Arg233* | No ASD/DD (cancer) | Female | NA | Macrocephaly, thyroid cancer (42 y of age), breast cancer (44 y of age), lobular carcinoma in situ of breast, benign breast disease, benign neoplasm of skin, benign neurologic neoplasms, dermal fibroma, Hashimoto thyroiditis, lipoma |
Abbreviations: ASD, autism spectrum disorder; CNV, copy number variation; DD, developmental delay; GI, gastrointestinal; NA, not applicable; PHTS, PTEN hamartoma tumor syndrome.
All mutations have been reported in ClinVar as pathogenic except for 2 unreported mutations (p.Met239Thr and p.Ala39Thr).