**Core Concept**
The treatment of choice for chronic suppurative otitis media (CSOM) with vertigo and facial nerve palsy involves addressing the underlying complications of the condition. **Vertigo** and **facial nerve palsy** are common complications of CSOM, often resulting from the spread of infection to the inner ear or the facial nerve.

**Why the Correct Answer is Right**
The correct treatment option is **Ceruminous mastoidectomy with tympanoplasty and facial nerve decompression**. This surgical approach involves removing the infected mastoid bone, repairing the tympanic membrane, and decompressing the facial nerve to alleviate the compression and restore nerve function. The procedure helps to eliminate the infection source, repair the damage to the middle ear, and prevent further complications. Additionally, it allows for the assessment and treatment of any underlying conditions that may be contributing to the facial nerve palsy.

**Why Each Wrong Option is Incorrect**
**Option A:** **Antibiotics alone** may not be sufficient to treat CSOM with vertigo and facial nerve palsy, as the condition often requires surgical intervention to address the underlying complications. Antibiotics may help control the infection, but they do not address the mechanical issues contributing to the vertigo and facial nerve palsy.

**Option B:** **Tympanocentesis** is a procedure used to drain the middle ear in cases of acute otitis media or mastoiditis, but it is not the treatment of choice for CSOM with vertigo and facial nerve palsy. This procedure may provide temporary relief, but it does not address the underlying complications of the condition.

**Option D:** **Steroids alone** may help reduce inflammation and swelling, but they do not address the underlying cause of the complications. Steroids may be used in conjunction with other treatments, but they are not sufficient on their own to treat CSOM with vertigo and facial nerve palsy.

**Clinical Pearl / High-Yield Fact**
It is essential to identify and address the underlying complications of CSOM, such as vertigo and facial nerve palsy, to prevent further damage and improve patient outcomes.

**Correct Answer:** C. Ceruminous mastoidectomy with tympanoplasty and facial nerve decompression.