A Case of Pernicious Anemia Induced by Atezolizumab in Hepatocellular Carcinoma and Renal Cell Carcinoma

Takeshi Sugimoto; Gen Kanemori; Hirohumi Kanehira; Akihito Kitao; Yoshiaki Nagatani

doi:10.12659/AJCR.952800

10 May 2026 : Case report Japan

A Case of Pernicious Anemia Induced by Atezolizumab in Hepatocellular Carcinoma and Renal Cell Carcinoma

Challenging differential diagnosis, Diagnostic / therapeutic accidents, Adverse events of drug therapy

Takeshi Sugimoto^{ABCDEF 1*}, Gen Kanemori^{B 1}, Hirohumi Kanehira^{C 2}, Akihito Kitao^{D 2}, Yoshiaki Nagatani^{E 3}

DOI: 10.12659/AJCR.952800

Am J Case Rep 2026; 27:e952800

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Figure 2 Pictures of upper gastrointestinal endoscopy.(A) Antrum. (B) Lower body, angle. (C) Upper body. (D) Fornix. Atrophic mucosa affecting almost the entire stomach, including the antrum (A), lower body and angle (B), upper body (C), and fornix (D). The loss of gastric folds was recognized. (C) Marked vascular visibility in the upper body (yellow arrows).

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A Case of Pernicious Anemia Induced by Atezolizumab in Hepatocellular Carcinoma and Renal Cell Carcinoma

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