All of the following cause a gray white membrane on the tonsils except:: (A) Infectious mononucleosis, (B) Ludwig's angina, (C) Streptococcal tonsillitis, (D) Diptheria
Answer is B. Ludwigs angina is cellulitis of submandibular space.It does not lead to membrane formation over tonsils. DD of membrane over tonsil: 1.Membrane tonsillitis. 2.Diphtheria 3.Vincent angina 4.Infectious mononucleosis 5.Agranulocytosis 6.Leukaemia 7.Aphthous ulcer 8.Malignancy ulcer 9.Traumatic ulcer 10.Candidal infection of tonsil Ref Dhingra 5/e,p 274,6/e,p 259-260.