Sign symptom Incubation period Fever Sore throats Headache

Sign & symptom Incubation period Fever Sore throats Headache Membranous Pharyngitis Cervical lymphadenopathy Macular rash Some time opportunist bacteria (fusobacteria & Streptococcus)

Sign & Symptom 50% Splenomegaly 10% Hepatomegaly W. B. C. after one week (10 -15%) Atypical Lymphocyte (oval Shape, lobulated nucleus, vacuolated cytoplasm) Hetrophil antibody (Paul bunnel test) 1/28 Especial serologic test

Diphtheria Acute microbial infection in upper respiratory & Pharynx Age of P. ( 2/3 of cases under 10 years old) Gram positive (Lofler Basils) Incubation period= 1 -7 days Pharynx, Nose, Larynx, Trachea, Bronchus,

Sign & Symptom Sore Throat Neck Lymph node enlargement Fever & Tachycardia Toxemia Especial pseudomembrane Breathing Distress ( in Laryngeal effect) Treatment: Diphtheria antitoxin & Penicillin or Erythromycin Tracheotomy if indication Bronchoscopy if indication Complication Miocardit & Reversible neuritis

Vincent Angina Ulceronecrotic lesion in tonsil & palate & gingival Fusiform basils & Esprilium Sign & Symptom Sore throat Halitosis sever fever cervical adenitis Necrotic membrane Incubation period = 1 -7 days Age of patient =15 -35 years

Differential Diagnosis Pharyngeal diphtheria Streptococcus angina Sigma (3 th grade) Infectious Mono Acute lymphoid Leukemia Treatment Penicillin 7 -10 days

Cervical fascia

Classification Anterior Space Suprahyoid space : Submental sp. & Submandibular sp. Infrahyoid space : Visceral (Pharynx Larynx Esophagus Cervical esophagus) Mediastinum Prevertebral space Mediastinum

Lateral Space ( Carotid Space & Supra clavicular) Posterior Space (posterior occipital)

Parapharyngeal Space pharyngomaxilary, preypharyngeal Prestyloid: Connection tissue , lymph node , facial A. Poststyloid: Internal C. A. , I. J. V. , Ascending ph. A. Hypoglossus, Vagus, Glossopharyngeal N. , Spinal Neuro Accessory

Horizontal section of neck fascia

Sublingual, submental s.

Parapharyngeal space section

Superfacial Temporal Space & deep T. S.

Etiology of Facial Space infection Tonsil , Pharynx , Tooth , Sinuses , Thyroid gland , Middle ear, Mastoid (Bezold abscess) Petros bone , Tongue , Floor of mouth , Esophagus (perforation) , Mandible trauma , Lymph node infection of neck , Vein Thrombus. common cause =Tonsil Phlebitis & thrombophlebitis By

Parapharyngeal Abscess Anatomy Source of infection : 60% Tonsil 30% third molar 10% Mastoid