
Radiograph showing the “tear drop sign”
Cobb ARM, Murthy R, Saiet J, Bailey BMW, Hibbert J. The tear-drop sign: a trap door for the unwary? British Journal of Oral and Maxillofacial Surgery. 2008;46(7):605-606. doi:https://doi.org/10.1016/j.bjoms.2008.01.015

Coronal view CT through the orbits demonstrates the soft tissue suspended from the roof of the antrum, but an intact orbital floor
Cobb ARM, Murthy R, Saiet J, Bailey BMW, Hibbert J. The tear-drop sign: a trap door for the unwary? British Journal of Oral and Maxillofacial Surgery. 2008;46(7):605-606. doi:https://doi.org/10.1016/j.bjoms.2008.01.015
Further reading: