A 5-month-old Chinese male infant was referred to the University Hospital, Kuala Lumpur for persistent fever, generalised rash and abdominal distension. Clinically he was suspected to have haemophagocytic lymphohistiocytosis. Haematological findings including the presence of several abnormal giant granules in neutrophils and single large azurophilic granules in many lymphocytes and monocytes in...

A 9-year-old girl was admitted to hospital with a 1-month history of fever, weight loss, epistaxis, and abdominal pain. The girl’s parents were non-consanguineous. Her medical history was unremarkable. Upon admission she weighed 27 kg (25th-50th percentile), was 131 cm tall (50th percentile), and was pale. Physical examination showed multiple cervical and inguinal microlymphadenopathies, withou...

The anti-helminthic drug levamisole hydrochloride has been reported to stimulate immune responses in humans and experimental animals. We have investigated levamisole effects on human leukocyte locomotion in vitro in studies of neutrophils and mononuclear cells from normal adults, from patients with Chediak-Higashi disease and from patients with the syndrome of hyperimmunoglobulin E, recurrent p...

Chediak-Higashi syndrome (CHS) is a very rare autosomal recessive immunodeficiency disorder characterized by partial albinism, recurrent pyogenic infections, and large granules in all granule-containing cells. The author describes a Thai girl who was the first case of CHS in Thailand. She presented in the accelerated phase of CHS, which leads to repeated infections and bleeding, often resulting...