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Perianal cellulitis, also known as perianitis or perianal streptococcal dermatitis, is a bacterial infection affecting the lower layers of the skin ( cellulitis) around the anus. [1] [2] [3] It presents as bright redness in the skin and can be accompanied by pain, difficulty defecating, itching, and bleeding. [4] [1] This disease is considered ...
Atypical bacteria causing pneumonia are Coxiella burnetii, Chlamydophila pneumoniae ( J16.0 ), Mycoplasma pneumoniae ( J15.7 ), and Legionella pneumophila . The term "atypical" does not relate to how commonly these organisms cause pneumonia, how well it responds to common antibiotics or how typical the symptoms are; it refers instead to the ...
Follicular hyperplasia (FH) is a type of lymphoid hyperplasia and is classified as a lymphadenopathy, which means a disease of the lymph nodes. It is caused by a stimulation of the B cell compartment and by abnormal cell growth of secondary follicles. This typically occurs in the cortex without disrupting the lymph node capsule. [1]
Amoxicillin (α-amino- p -hydroxybenzyl penicillin) is a semisynthetic derivative of penicillin with a structure similar to ampicillin but with better absorption when taken by mouth, thus yielding higher concentrations in blood and in urine. [51] Amoxicillin diffuses easily into tissues and body fluids.
Microbiology. Morganella morganii is facultatively anaerobic and oxidase -negative. Its colonies appear off-white and opaque in color, when grown on agar plates. [7] M. morganii cells are straight rods, about 0.6–0.7 μm in diameter and 1.0–1.7 μm in length.
Specialty. Ophthalmology. Periorbital cellulitis, or preseptal cellulitis, is an inflammation and infection of the eyelid and portions of skin around the eye anterior to the orbital septum. [1] It may be caused by breaks in the skin around the eye, and subsequent spread to the eyelid; infection of the sinuses around the nose ( sinusitis ); or ...
Staphylococci spp. are a genus of gram positive cocci of 0.5 - 1 μm diameter. [citation needed] Staphylococcus pseudintermedius is a non-motile and non-spore forming, facultatively anaerobic bacterium. [citation needed] It appears primarily as grape-like clusters morphologically, but can also be seen as individual or paired cocci.
Wiskott–Aldrich syndrome ( WAS) is a rare X-linked recessive disease characterized by eczema, thrombocytopenia (low platelet count), immune deficiency, and bloody diarrhea (secondary to the thrombocytopenia). [1] It is also sometimes called the eczema-thrombocytopenia-immunodeficiency syndrome in keeping with Aldrich's original description in ...