PKHD1 and autosomal recessive polycystic kidney disease: The identification of previously undescribed variants underscores the need for regional genetic studies in understanding ARPKD and its genotype-phenotype correlations.<h4>Conclusion</h4>This study reveals distinct <i>PKHD1</i> disease-causing variants in the Dhofar region of Oman, contributing to the broader genetic understanding of ARPKD.