Laboratory techniques used in the diagnosis of chancroid, granuloma inguinale, and lymphogranuloma venereum.

The preceding discussion summarized the historical, modern, and evolving laboratory techniques for the diagnosis of chancroid, GI, and LGV. The correct diagnosis of these sexually transmitted diseases, which are uncommon in the United States and Europe but often endemic in Africa, Asia, and South American, can usually be made if appropriately selected laboratory techniques are used to confirm the presumptive clinical impression.