Lymphangiogram of a case of presumed lymphatic filariasis with left-sided cisterna chyli.

Lymphatic filariasis is an uncommon condition in Hong Kong and is currently considered as one of the neglected tropical diseases by the World Health Organization. Blood tests are available for diagnosis of acute infections, but false negative results can occur with chronic manifestations of lymphatic filariasis. We present a case which illustrates how radiological imaging can help with diagnosis of lymphatic filariasis.

Repetitive Calf-Raise Pulse Provocative Test for Popliteal Artery Entrapment Syndrome.

Popliteal artery entrapment syndrome (PAES) is a rare cause of exertional leg pain in young adults, which is caused by compression of the popliteal artery by the surrounding muscular structure. Due to significant overlap in symptoms with other conditions, limitations of diagnostic imaging, and lack of awareness, PAES is frequently misdiagnosed, resulting in late complications and poor prognosis. Clinical assessment is crucial in making the initial diagnosis and referring for relevant investigations for PAES.

The Christie score for post-treatment response assessment PET/CT in patients with head and neck squamous cell carcinoma: a safe and simple scoring system.

Background: Radiotherapy with or without concurrent chemotherapy is a standard of care treatment for patients with head and neck squamous cell carcinoma (HNSCC). Upon completion, patients are referred for a post-treatment F-FDG PET/CT (Fluorine-18 fluorodeoxyglucose positron emission tomography/computed tomography) scan to help guide ongoing management by assessing for the presence or absence of residual or recurrent disease and differentiating this from post-treatment inflammation. To improve objective reporting of response, we developed the Christie score.