vma
vma — 名詞
1. a substance produced naturally in the body that passes out through urine; doctor
香草扁桃酸
尿液代謝物，用於腫瘤檢測
a substance produced naturally in the body that passes out through urine; doctors measure its level in a patient's urine to help identify certain types of cancer, especially a childhood cancer called neuroblastoma.
Dr. Chen ordered a VMA test for Mei after finding a lump in her belly.
陳醫師在梅的腹部發現一顆腫塊後，為她安排了 VMA 檢測。
clinical context: ordering a diagnostic test
The lab results showed that Mr. Okafor's VMA level was within the normal range.
檢驗結果顯示，Okafor 先生的 VMA 值在正常範圍內。
collocation: VMA level
High VMA levels in a child's urine can help doctors find neuroblastoma early.
兒童尿液中的 VMA 過高，有助於醫生早期發現神經母細胞瘤。
The nurse at Taipei Children's Hospital explained how the simple VMA test works.
臺北兒童醫院的護理師說明了 VMA 檢測的簡單流程。
Researchers measured VMA in urine samples from fifty children at the hospital.
研究人員測量了院內五十名兒童尿液中的 VMA 濃度。
用法筆記
VMA is a medical abbreviation used primarily in pediatric oncology. It always appears in uppercase letters in medical reports and lab orders. The full chemical name 'vanillylmandelic acid' is rarely written out in clinical settings.