My younger brother had an appendectomy yesterday.

My younger sister is missing school because of tonsillitis.

I went to the doctor because of sinusitis.

If you don't have regular dental check-ups, you may develop periodontitis.

He is receiving treatment for folliculitis.

She was diagnosed with salpingitis.

We should always remember the power of Kannon in difficult times.

He injured his semimembranosus muscle.

My father was diagnosed with ankylosing spondylitis.

He is doing special exercises to strengthen his tensor fasciae latae.