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The "rule of 2s" is a classic clinical memory aid used to capture the key anatomical and epidemiological features of Meckel’s diverticulum. According to the sources, the rule includes the following points:

Prevalence: It occurs in approximately 2% of the population.

Symptoms: Only about 2% of those with the condition become symptomatic.

Location: It is typically located about 2 feet (60 cm) from the ileocaecal valve.

Size: It is roughly 2 inches long.

Gender: It occurs twice as often in males as in females.

Ectopic Tissue: It may contain 2 types of ectopic mucosa, most commonly gastric and less frequently pancreatic.

While these figures are approximate, they serve as a useful tool for clinicians and students to remember the primary characteristics of the condition.

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DISCLAIMER: This content is for reference only and you must follow local/standard guidelines in clinical practice

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