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Background: Pituitary lymphomas (PLs) are very rare, accounting for <0.1% of all intracranial tumors. Of which, PL that is associated with PL is even rarer. Here, we describe a case of PL of a 51-year-old woman that appeared 9 years after pituitary adenoma resection., Case Description: A 51-year-old woman presented with visual disturbance. She had a history of pituitary adenoma resected through endoscopic trans-sphenoidal surgery (eTSS) 9 years before. Although her previous annual follow-up did not show any signs of recurrence, she noticed visual disturbance. One month later, her visual acuity rapidly worsened with headache and fatigue, being referred to our hospital. On examination, she had bilateral quadrantanopia. Her laboratory data showed slightly increased prolactin levels. Magnetic resonance images showed a mass in the sella with suprasellar extension, so she underwent eTSS. The tumor had a fibrous, hard part and a soft gray part, and it was mostly resected. Visual symptoms improved transiently, but ophthalmoplegia appeared 2 weeks after surgery, indicating intrathecal dissemination. Histological analysis confirmed the diagnosis of T-lymphoblastic lymphoma. Positron emission tomography showed tracer accumulation at the pancreas, confirmed as lymphoma through biopsy. However, we could not determine which site of lymphoma was the primary site. She underwent chemotherapy, including cyclophosphamide, vincristine sulfate, doxorubicin hydrochloride, dexamethasone, and methotrexate. The patient died despite several months of treatment., Conclusion: Recurrence of pituitary adenoma cannot be carelessly assumed from a pituitary growing mass after pituitary adenoma resection. PLs have poor prognosis due to their aggressive character. Immediate biopsy and confirmation of the diagnosis are necessary for the treatment of pituitary masses with aggressive features., Competing Interests: There are no conflicts of interest., (Copyright: © 2024 Surgical Neurology International.)

Background: Most posttraumatic syringomyelias occur in the cervical or thoracic spinal cord, where they contribute to myelopathic deficits. Here, a 40-year-old patient presented with the left leg monoparesis due to syringomyelia involving the conus medullaris 10 years after an L2 vertebral "crush" fracture., Case Description: Ten years following an L2 vertebral "crush" fracture, a 40-year-old male presented with the new onset of left lower leg paresis. The magnetic resonance imaging showed a T12-L1 syrinx associated with accompanying high-intensity areas above the syrinx located between the T11 and T12 levels. One month after placing a syringosubarachnoid (SS) shunt, both the syrinx and high-intensity area rapidly disappeared, and the left distal motor weakness resolved., Conclusion: Ten years following an L2 "crush" fracture, a 40-year-old male presented with the new onset of a cauda equina syndrome secondary to a posttraumatic T12-L1 syringomyelia causing expansion of the conus medullaris., Competing Interests: There are no conflicts of interest., (Copyright: © 2024 Surgical Neurology International.)