A Non-Traumatic Avulsion Fracture of the Lesser Trochanter: Other Diagnosis Not to Be Missed.

In adults, an isolated non-traumatic fracture of the lesser trochanter should arouse strong suspicion of an underlying malignant pathology. In this article, we present the case of a 55-year-old male patient who presented with a non-traumatic isolated fracture of the lesser trochanter secondary to a delayed diagnosis of metastases of bronchial carcinoma.