How does acne rosacea differ from lupus vulgaris?

Acne rosacea is characterized by hyperæmia, dilated vessels, papules, pustules, the absence of ulceration, and a different history.

State the prognosis of lupus vulgaris.

Lupus vulgaris is always a chronic disease, often exceedingly rebellious to treatment, and one that calls for a guarded opinion. Relapses are not uncommon.

Fig. 46.

Galvano-cautery Needle, Knife and Spiral Points. (As devised by Bésnier.)

The general health usually remains good, but in some instances death by tuberculosis of the lungs has been noted.

Is external or internal treatment called for in lupus vulgaris?

Always external, and not infrequently constitutional also.