<prompt> Which of the following is FALSE about Infectious mononucleosisNon-Suppurative, painless LymphadenopathyMaculo-papular rash or petechial rashLymphocytosis is usually demonstrable, with 10 atypical lymphocytesTransient bilateral upper lid Edema  <response>: Atypical lymphocytosis -points diagnosis towards Infectious mononucleosis EBV kissing disease among the given other options. Essentials of Diagnosis Malaise, fever, and exudative sore throat Palatal petechiae, lymphadenopathy, splenomegaly, and, occasionally, a maculopapular rash Positive heterophile agglutination test Monospot Atypical large lymphocytes in blood smear; lymphocytosis Complications:hepatitis, myocarditis, neuropathy, encephalitis, airway obstruction from adenitis, hemolytic anemia, thrombocytopenia General Consideration EBV is ubiquitous; infects 95 of the adult population worldwide and persists for the persons lifetime Infectious mononucleosis is a common manifestation of EBV and may occur at any age EBV is largely transmitted by saliva but can also be recovered from genital secretions Saliva may remain infectious during convalescence, for 6 months or longer after symptom onset The incubation period lasts several weeks 30-50 days In the United States the incidence of EBV infection is declining although prevalence of EBV remains high for those aged 12-19 years Clinical Findings Symptoms and Signs Fever, sore throat, fatigue, malaise, anorexia, and myalgia typically occur in the early phase of the illness Physical findings include Lymphadenopathy discrete, nonsuppurative, slightly painful, especially along the posterior cervical chain Transient bilateral upper lid edema Hoagland sign Splenomegaly in up to 50 of patients and sometimes massive Conjunctival hemorrhage, exudative pharyngitis, uvular edema, tonsillitis, or gingivitis may occur Soft palatal petechiae may be noted Other manifestations Hepatitis Interstitial pneumonitis sometimes with pleural involvement Cholestasis Gastritis Kidney disease mostly interstitial nephritis Epiglottitis Nervous system involvement in 1-5 