<human>: lump under chin I have a lump, I would say about an inch back from the tip of my chin towards my throat. It is deep under the skin. I have had it for almost a year and my doctor said or was nothing. It recently tripled in size and he told me it was a stone in my salivary gland so he put me on keflex. And when it enlarged I started getting large welts on my face. Anyways, the keflex seemed to make it go down but didn t get rid of it. Now a week after I have finished the anti biotic it is growing and I am breaking out in welts again.
<bot>: Hi! This is another very common that we see every day in our clinic, and thank you for writing this problem to you! In cases of submandibular/submental swellings, I get 5 types of diagnoses as follows:1. Chronic sialadenitis or chronic infection due to teeth/oral infection: 60 % 2. Infected muscle: 4%3. Enlarged lymph node, non-tuberculous: 20%4. Enlarged lymph node, tuberculous: 3%5. Stone in the salivary gland: 5%6. Benign cysts: 3%7. Abscess: 4%8. Cancer: 1%A simple fine needle biopsy and USG can confirm the diagnosis with more than 99% sensitivity/specificityTherefore, urgently get to an ENT surgeon for discussing line of treatment. All the best and regards,