GJB2 and Hodgkins lymphoma: Among all the 29 patients with diagnostic test results, 22 had normal hearing with one heterozygous variant, 5 had mild HL (4 heterozygous and 1 homoplasmic), 1 had bilateral profound HL with the homozygous variant of GJB2 (c.235delC) and 1 had left moderate/right severe HL with the homozygous variant of SLC26A4 (c.919-2A>G).