trichothiodystrophy trichothiodystrophy 4, nonphotosensitive https://www.malacards.org/card/trichothiodystrophy_4_nonphotosensitive TTD4 SCTID:403796005 OMIM:234050 GARD:0005271 ICD9:783.43 trichothiodystrophy 4, nonphotosensitive ICD9:704.8 Pollitt syndrome UMLS:C1313961 MEDGEN:272036 nonphotosensitive trichothiodystrophy caused by mutation in MPLKIP NCIT:C146899 Orphanet:75790 DOID:0050528 MPLKIP nonphotosensitive trichothiodystrophy MONDO:0021013 A subtype of trichothiodystrophy caused by mutation(s) in the MPLKIP gene, encoding M-phase-specific PLK1-interacting protein.