eye disorder Rothmund-Thomson syndrome Rothmund-Thomson syndrome type 2 https://github.com/monarch-initiative/mondo/issues/4521 MONDO:0016369 OMIM:268400 GARD:0017135 Rothmund-Thomson syndrome type 2 is a subform of Rothmund-Thomson syndrome (RTS) presenting with a characteristic facial rash (poikiloderma) and frequently associated with short stature, sparse scalp hair, sparse or absent eyelashes and/or eyebrows, congenital bone defects and an increased risk of osteosarcoma in childhood and squamous cell carcinoma later in life. Rothmund-Thomson syndrome, type 2 poikiloderma of Rothmund-Thomson type 2 icd11.foundation:2111040755 RTS2 Orphanet:221016 UMLS:C5203410 NCIT:C178827 MEDGEN:1684753 obsolete_Rothmund-Thomson syndrome type 2