Peroral endoscopic myotomy in a pregnant woman diagnosed with mitochondrial disease: A case report

Figure 1 High-resolution esophageal manometry, manometric signs of achalasia type I.

Figure 2 Muscle specimen of the upper part of the esophagus. A: Wave-like deformation of the myocytes, hematoxylin-eosin, magnification × 200; B: Myocytes of different thicknesses, hematoxylin-eosin, magnification × 100.

Figure 3 Muscle specimen of the esophagus. A: Muscle specimen of the upper part of the esophagus. Dystrophic and necrobiotic changes with focal myocytolysis of muscle fibers, hematoxylin-eosin, magnification × 400; B: Muscle specimen of the lower part of the esophagus. Intracellular edema, myocytes of different thicknesses, hematoxylin-eosin, magnification × 400.