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Clinical Trichocephalus Trichiurus Infection

An Analysis of Eighty-One Cases¹

1. A detailed analysis is presented of 81 uncomplicated clinical cases of Trichocephalus infection.

2. More than two-thirds of the patients fell within the age group from six to fifteen years. White patients predominated over colored in the ratio of 5:1, and females over males in the ratio 2:1.

3. The most frequent symptoms were abdominal or epigastric pain, vomiting, constipation, fever, distention and flatulence, headache, backache, loss of weight, and anorexia. The duration of symptoms in 44 cases was three months or less.

4. Intestinal parasites was the most frequent clinical diagnosis, and chronic appendicitis the next.

5. Physical examination frequently revealed abdominal tenderness without rigidity. In only seven cases was a temperature elevation above 101°F. noted.

6. In about a third of the cases studied from this angle an increase of polymorphonuclear cells was observed. In about a fourth a mild leukocytosis occurred. The average eosinophil count was 4.2 per cent, and the maximum 24 per cent.

Received November 28, 1938.
¹ Read by title before the thirty-fourth annual meeting of the American Society of Tropical Medicine, at Oklahoma City, November 15–18, 1938.