Teardrop sign: plain film recognition of ankle effusion.
Ankle effusions may be detected on lateral radiographs by observing a teardrop-shaped density extending anteriorly from the ankle joint along the neck of the talus. The normal and abnormal radiographic appearances of the ankle are discussed and the teardrop sign is identified.
D000273:Adipose Tissue / Q000000981:diagnostic imaging; D000328:Adult; D000843:Ankle Joint / Q000033:anatomy & histology / Q000000981:diagnostic imaging*; D002648:Child; D002675:Child, Preschool; D005122:Exudates and Transudates; D005260:Female; D006801:Humans; D007592:Joint Diseases / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography