Facial nerve palsy is seen in:
Seborrhoeic Otitis externa
Otomycosis
Malignant Otitis externa
Eczematous Otitis externa
(c) Malignant Otitis externa(Ref. Scott Brown, 8th ed., Vol 2; 1420)Malignant Otitis externa can lead to granulations and bony erosion leading to facial nerve palsy.The other options do not cause bony erosion and facial nerve palsy.
Anatomy of External Ear & Pinna