To the Editor.
—Dr Lommatzsch1 ends his abstract in the May Archives with this surprising statement: "The survival rate of 85.1% after five years is substantially higher than that for patients who were primarily treated with enucleation." One should expect that such a statement is based on similar reliable follow-up data of all treated patients, as all statistics on the survival rate after primary enucleation have been based. However, Dr Lommatzsch has founded his statement on a calculated survival rate using the life-table method. Only 81 of 205 treated patients (<40%) have been followed up for more than five years and the shortest period of observation after irradiation was six months.The questionable accuracy on which the reported results are based appears from the following puzzling data and statements: "treated successfully" are "those patients whose tumors... had shrunk to a still appreciable grayish or black mass with scarring of
Manschot WA. β-Irradiation of Choroidal Melanoma. Arch Ophthalmol. 1984;102(1):19. doi:10.1001/archopht.1984.01040030009002