Diagnosis: Pediculosis capitis
Description: Pediculus humanus capitis, is an obligate ectoparasite that commonly affects school going children. It is 2–3 mm in length and has a flattened, elongated, greyish body that becomes reddish after feeding human blood.
Morphology: Grouped
Site: Scalp
Sex: M
Age: 10 years
Type: Clinical
Submitted By: Shahbaz Janjua
Differential DiagnosisHistory:
This 10 year old girl got a heavy infestation with head lice for over six months. No improvement was seen with different topical treatments with permthrin and malathione and physical measures like head shaving. A colony of lice can be seen on the scalp in this image. She was successfully treated with oral ivermectin.