(1) Describe impetigo

(2) Location of impetigo

(3)  Clinical Presentation

(1)  A superficial skin infectino caused by either group A streptococci and/or Staphylococcus Aureus.

(2)  Usually seen on children and most commonly on the face.

(3)  It may initially present as vesicles or bullae that rupture and discharge a honey-colored serous fluid.  This fluid hardens to form a crust that has a lightly stuck-on appearance.

Erysipelas

(1)  description

(2)  Causitive agent

Cellulitis

(3)  difference to erysipelas

(4)  Causitive agent

(5)  Ultimate course

(1)  Spreading acute inflammation of dermis

(2)  Usually strep

(3)  Similar to erysipelas but involves subcutaneous tissue and sometimes fascia.

(4)  May be caused by strep or staph

(5)  May lead to necrosis of tissue

Waldeyer's ring

(1)  Define

(2)  List components

Reactive lymphoid hyperplasia

(3)  trivia

(4)  causitive agent

(1)  an anatomical term describing the lymphoid tissue ring located in the pharynx and to the back of the oral cavity.

(2)  palatine, nasopharyngeal and lingual tonsils.

(3)  Most common cause of tonsil enlargement

(4)  due to bacterial or viral infection