TUMOURS 



495 



Formalin in spirit will clear it up, i in 30. 

 Apply sulphur ointment at night, 4 per cent. 

 The principal nodular concretions of the hair are : — 

 (i) Nodular trichomycosis. 



(2) Piedra (trichosporosis tropica). 



(3) Tinea nodosa. 



TRICHONOCARDIASIS (Nodules on the Hairs). 



See above remarks. 



TUMOURS. 

 (1) Benign epithelial tumours. 



Epithelial moles are frequent. 



Hyperkeratosis is common in all barefooted tribes. 



Molluscum fibrosum. (By C. C. Elliott, Paoning.) 

 Before operation. After operation. 



Molluscum contagiosum is not infrequently met with. 

 Verruc^e are extremely common. 

 Warts are very common. 



(2) Malignant epithelial tumours. 



Melanotic carcinoma is rare, but has been seen in half-castes. 

 Paget's disease of the nipple is rare. 

 Rodent ulcer is rarely seen. 



