Linitis plastica epidemiology and demographics

The exact incidence and prevalence for linitis plastica is unknown, however, linitis plastica is estimated to account for almost 30% of gastric cancers (previously thought to be 10%) with a declining incidence. There is a particularly high incidence rate in those individuals belonging to the Korean, Chinese and Japanese races.

• The exact incidence of linitis plastica is unknown.^[1]
• The incidence for gastric cancer overall in 2012 was 7.2 per 100,000 in the United States.
• Linitis plastica was previously thought to account for 10% of gastric cancer, but now may account for as much as 30% of gastric cancers.
• There has been a gradual decline in the incidence of linitis plastica.

• The exact prevalence of linitis plastica is unknown.^[1]
• The prevalence of gastric cancer is estimated to be 22,220 cases annually.
• The prevalence of linitis plastica is approximately 23.5 per 100,000 in 2011 in the United States.

The number of deaths is 3.2 per 100,000 men and women per year.^[1]

Linitis plastica commonly affects individuals younger than 40 years of age. The median age at diagnosis is between 20 – 25 years.^[1]

Linitis plastica usually affects individuals of Asian origin including Korean, Chinese, Taiwanese and Japanese populations. However, it is becoming more frequent in Europe.^[1]

Linitis plastica affects men and women equally.^[1]

The majority of linitis plastica cases are reported in Asia in countries including China and Japan.^[2]

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