[Spontaneous Improvement in Visual Symptom after Delivery in a Case of Tuberculum Sellae Meningioma]

Satoshi Sakatsume1, Tomoyuki Kawataki, Masakazu Ogiwara

  • 1Department of Neurosurgery, Interdisciplinary Graduate School of Medicine and Engineering, University of Yamanashi.

A 36-year-old woman presented with temporal visual field defect in the 27th week of her pregnancy. Magnetic resonance(MR)imaging demonstrated a tuberculum sellae meningioma compressing the optic chiasm. Although we planned surgical resection after her delivery, the symptom worsened in the late stage of her pregnancy. After administering a steroid medication, the symptom stabilized. In the 38th week of pregnancy, she delivered a child, and interestingly, her visual field defect improved, and MR imaging demonstrated tumor shrinkage. However, at the request of the patient, we performed the tumor resection by extended endonasal transsphenoidal surgery. The histological diagnosis was angiomatous meningioma, and the tumor cells were strongly positive for progesterone receptors. This is a very rare case of tuberculum meningioma wherein the patient showed a natural improvement in visual function after delivery. Regarding the appropriate surgical timing for meningioma, spontaneous shrinkage of meningioma after delivery would be considered an option.

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