Koji Suzuki, Shigeyuki Tahara, Yujiro Hattori, Shinichiro Teramoto, Eitaro Ishisaka, Chie Inomoto, Robert Yoshiyuki Osamura, Akio Morita, Yasuo Murai
Collision tumors involving the metastasis of malignant neoplasms to pituitary neuroendocrine tumors (PitNETs) are extremely rare. We herein report a case involving a patient with lung adenocarcinoma metastasis within a PitNET who exhibited relatively rapid progression of neurological symptoms. A 75-year-old man who underwent tumor resection 36 and 18 years prior to presentation for bladder and colon cancer, respectively, without recurrence presented with bitemporal hemianopsia, ptosis, and diplopia of the right eye...
December 29, 2023: Endocrine Journal