10 August 2026
: Case report 
A 42-Year-Old Woman Presenting With Pheochromocytoma Multisystem Crisis Associated With Bilateral Pheochromocytomas Due to Multiple Endocrine Neoplasia Type 2A
Management of emergency care, Rare disease
Akira Umemura AEFG 1*, Ai Chida BCD 2, Shigenori Kan BCD 3, Saki Kuroda BCD 2, Eriko Yoshida BCD 2, Toshie Segawa BCD 2, Yutaka Hasegawa AF 2, Yoshihiko Takahashi AF 2, Yasushi Ishigaki
AEG 2, Ayaka Sato CD 4, Naoki Yanagawa CD 4, Akira Sasaki AEG 1
DOI: 10.12659/AJCR.953137
Am J Case Rep 2026; 27:e953137
Figure 4 Macroscopic findings of the resected specimens(A) The size of right-side tumor was 70 × 40 mm, and the tumor had a fibrous capsule. Necrosis was observed in the center of the tumor. Internal necrosis was a typical finding of pheochromocytoma. (B) The size of left-side tumor was 80 × 65 mm, and the tumor had a fibrous capsule. Necrosis and intratumoral hemorrhage were observed inside the tumor. Internal necrosis and intratumoral hemorrhage were also typical findings of bulky pheochromocytoma.