Could Shingles Vaccine Have Caused A Spike in CA-125?
DEAR DR. ROACH: I have a history of cancer with an elevated CA-125 level. Recently I had a shingles shot and soon thereafter, my CA-125 level was high. An extensive workup showed up nothing significant, and a repeat CA-125 level was back down to normal. Could the shingles shot have elevated my CA-125 level? — K.R. ANSWER: CA-125 is a tumor marker most commonly used for ovarian cancer. Although not all ovarian cancers have a high CA-125 level, the measure of this marker can be useful in following women with ovarian cancer and in evaluating women with a possible ovarian mass. CA-125 ...