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Infectious mononucleosis (IM, mono), also known as glandular fever, is an infection usually caused by the Epstein–Barr virus (EBV). [2] [3] Most people are infected by the virus as children, when the disease produces few or no symptoms. [2] In young adults, the disease often results in fever, sore throat, enlarged lymph nodes in the neck, and ...
Hepatosplenomegaly (commonly abbreviated HSM) is the simultaneous enlargement of both the liver (hepatomegaly) and the spleen (splenomegaly). Hepatosplenomegaly can occur as the result of acute viral hepatitis , infectious mononucleosis , and histoplasmosis or it can be the sign of a serious and life-threatening lysosomal storage disease .
Splenomegaly is an enlargement of the spleen. [1] The spleen usually lies in the left upper quadrant (LUQ) of the human abdomen.Splenomegaly is one of the four cardinal signs of hypersplenism which include: some reduction in number of circulating blood cells affecting granulocytes, erythrocytes or platelets in any combination; a compensatory proliferative response in the bone marrow; and the ...
The signs and symptoms of IM occur within weeks of EBV infection. Most cases involve a self-limiting flu-like illness or a mild to moderate illness of fever, sore throat, enlarged, painful lymph nodes in the head and neck, and/or an enlarged spleen. These manifestations usually abate within six weeks.
EBV causes infectious mononucleosis. [56] Children infected with EBV have few symptoms or can appear asymptomatic, but when infection is delayed to adolescence or adulthood, it can cause fatigue, fever, inflamed throat, swollen lymph nodes in the neck, enlarged spleen, swollen liver, or rash. [20]
To rule out an enlarged spleen, a pretest probability of 30% or less will yield a negative predictive value over 90% (calculation) Given the paucity of physical exam findings to evaluate possible splenomegaly, Castell's sign is the most sensitive, and is thus a good tool to teach in an advanced-type physical diagnosis course.
Easton Pinnell, 7, was experiencing persistent stomach pain with nausea. Doctors discovered he had a rare wandering spleen that was resting on his stomach.
Although symptoms include an enlargement in the size of the spleen, [2] or a change from the spleen's original position to another location, usually in either other parts of the abdomen or into the pelvis. This ability to move to other locations is commonly attributed to the spleen's pedicle being abnormally long. [3]