You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is 80 years old female after fall developed an inability to walk with external rotation deformity, on examination SLR is not possible and broadening of the GT and lateral border of foot touching the bed. The most probable diagnosis is - and explain in detail?
It has been explained that external rotation occurs with both neck femur fracture and IT fracture.
However, in this question, one important information has been provided :- Broadening of trochanter.
Broadening of trochanter occurs in IT fracture if the fracture causes split in GT.
In femoral neck fracture trochanters are normal.