J.Jpn. Surg. Soc.. 82(3): 220-229, 1981

---

Original article

CLINICOPATHOLOGIC STUDY ON THE TYPES OF ESOPHAGEAL INVASION IN THE CARCINOMA AT THE UPPER ONE-THIRD OF THE STOMACH

Carcinoma at upper one-third of the stomach often invades into the esophagus. Although intraoperative macroscopic determination of safe proximal margin is essential for curative operation. It is not always easy to identify the extent of invasion by gross inspection.
Fifty-five surgical specimens of upper one-third gastric carcinoma were studied macroscopically and microscopically as to the types of esophageal invasion. Macroscopically, types of invasion were basically classified into 3 (localized, intermediate, and invasive) but with 2 subtypes in the localized and 3 subtypes in the invasive according to the surface characteristics of the neighboring esophageal epithelium, the types were altogether 6. Histologically, types of invasion into the esophagus were classified into 5 according to the depth and pattern of invasion. The greatest discrepancy was observed between macroscopic and histologic determination of the extent of invasion when the macroscopic invasive type was encountered particularly in the subtypes with either flat schirrhous or furrowed appearance at the neighboring esophageal epithelium. The distance of descrepancy was about 3 cm at most. Therefore, it was concluded that the free surgical margin at the proximal stump will easily be sbtained, if the line of excision is set at the area 3 cm proximal to the margin of macroscopic changes.

---

---

To read the PDF file you will need Adobe Reader installed on your computer.