Histological examination revealed tuberculous granuloma in 1 case tuberculoid granuloma in 3 cases nodular granuloma in 4 cases and chronic granulomatous tissue in 7 cases .

病理检查 结核 性 肉芽肿1例，结核样肉芽肿3例，结节性肉芽肿4例，慢性肉芽肿性炎7例。