MKI67 and choroideremia: In the Ki-67 TMA, 57 (73 %) represented CHM patients of whom 8 had a score of 1+, 21 had a score of 2+, 27 had a score of 3+, 21 were PHM patients, one was negative for protein expression, five had a score of 1+, 12 had a score of 2+, and 4 had a score of 3+.