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Competing Interests: The authors declare no conflicts of interest.

Competing Interests: The authors report no conflicts of interest.

Rationale: At present, acute myelitis (AM) is a great challenge to diagnosis and treatment because of its complicated etiology, critical condition, and poor prognosis, and it is easy to leave different degrees of limb motor dysfunction. The report of this case is helpful to improve the understanding of AM after lumbar surgery, reduce misdiagnosis and provide reference for clinical treatment., Patients Concern: This study reported a case of AM after lumbar reoperation. Before the patient was diagnosed as AM, we gave high-dose hormone anti-inflammatory and detumescence symptomatic treatment according to empirical treatment, and the effect was ideal and rehabilitation treatment was actively carried out at the right time. After 10 months of follow-up, the patient recovered well., Diagnosis: Because lumbar surgery is a contraindication of lumbar puncture, the patient's diagnosis was confirmed by thoracic magnetic resonance imaging. Magnetic resonance imaging of thoracic vertebra on the 17th day after lumbar operation showed that small round T1W1 signal, slightly higher T2W1 signal and T2-fat suppression imaging equal signal were seen in the horizontal spinal cord of thoracic vertebra 10., Intervention: According to the empirical treatment, patients have been given high-dose hormone therapy after operation, and comprehensive treatment such as comprehensive training of paraplegic limbs, joint loosening training, electric massage and other rehabilitation training will be carried out when the general condition of patients improves., Outcomes: After 10 months of follow-up, there were no major sequelae such as limb paralysis., Conclusion: Due to the rarity of AM in clinical work, it is easy for doctors to ignore the disease and miss the best treatment stage, which will lead to serious sequelae., Competing Interests: The authors have no conflicts of interest to disclose., (Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.)

Rationale: Limb dysfunction is not uncommon clinically after intramural tumor surgery. However, there are no relevant literature reports on the recovery of unilateral motor function caused by spinal cord dysfunction after short-term observation and treatment. The report of such cases is of great value for improving the cognition of postoperative complications of meningioma reducing misdiagnosis and providing reference for clinical treatment., Patient Concerns: A 73-year-old female patient with numbness and weakness in both lower limbs accompanied by unstable walking for 2 months. Combined with imaging data and postoperative pathological diagnosis, it was diagnosed as thoracic spinal meningioma. The patient experienced transient unilateral limb dysfunction after surgery., Diagnoses: Magnetic resonance imaging and its enhanced magnetic resonance imaging suggest a space occupying lesion on the left side of the spinal canal at the level of the thoracic 3 to 4 vertebral body, possibly a meningioma. The postoperative pathology was grade I meningioma., Intervention: Administer 10 mL of dexamethasone, 1 g of methylprednisolone, and 250 mL of mannitol for treatment., Outcomes: After 3 hours, the patient's muscle strength gradually recovered, and after 12 hours, it was better than the preoperative level., Conclusion: Spinal cord dysfunction may occur after surgery for intraspinal meningioma in the upper thoracic spine. Unlike spinal cord dysfunction caused by spinal cord injury, this dysfunction is short-term and transient. The use of hormones and diuretics is a feasible solution that can quickly restore patient limb function., Competing Interests: The authors declare no conflict of interest., (Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.)