DO_rare_slim has material basis in X-linked monogenic disease X-linked reticulate pigmentary disorder A pigmentation disease characterized by early onset of recurrent respiratory infections, failure to thrive resulting from inflammatory gastroenteritis or colitis, and reticular pigmentation abnormalities of the skin in hemizygous males and only pigmentary abnormalities along the lines of Blaschko in heterozygous females that has_material_basis_in mutation in the POLA1 gene on chromosome Xp22.1-p21.3. DOID:0111834 UMLS_CUI:C1845050 disease_ontology MESH:C564461 MIM:301220 ORDO:85453 Partington disease SNOMEDCT_US_2025_09_01:717224002 X-linked reticulate pigmentary disorder with systemic manifestations pigmentation disease X-linked inheritance