MPO and isolated hemihyperplasia: The analysis included 83 cases from 71 articles, distributed among the following categories: 31 IH (37.3%) [17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45], 23 MPO (27.8%) [46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64], 6 TST (7.2%) [65, 66, 67, 68, 69, 70], 10 H (12%) [71, 72, 73, 74, 75, 76, 77], and 13 TT (15.7%) [78, 79, 80, 81, 82, 83, 84, 85, 86, 87].