| The elongation phase of growth distinguishes bacilli from cocci, which grow and divide by pure septation. |
| Results of a Mantoux test and sputum test for acid-fast bacilli were negative. |
| Stains and cultures of bronchial washings were negative for Pneumocystis, acid-fast bacilli, fungi, bacteria, and viruses. |
| Cultures of right and left lung tissues were obtained for bacteria, acid-fast bacilli, and fungi. |
| Biopsy from a peritoneal granuloma showed caseation necrosis and acid-fast bacilli. |
| All the patients had bacilli sensitive to streptomycin, isoniazid and rifampicin initially. |
