Property:AnswerAExp
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Caseating necrosis within intrathoracic granulomas is usually indicative of a tuberculosis infection. +
CREST syndrome is associated with Raynaud's phenomenon that can resemble acrocyanosis but Raynaud's is usually a triphasic color change. Blood withdrawn from patients with CREST syndrome doesn't agglutinate at cold temperatures. +
Terminal deoxynucleotidyl transferase (TdT) is a DNA polymerase expressed in immature B and T cells and is used in the diagnosis of acute lymphoblastic leukemia specifically pre-B and pre-T subtypes. +
Hairy cell leukemia is not associated with rouleaux formation on peripheral smear. Typical findings include lymphocytes with irregular hair-like borders. +
Clue cells are usually observed in bacterial vaginosis. They are associated with the organism ''Gardnerella vaginalis'', which clinically manifests with greyish vaginal discharge and a positive whiff test. +
Ubiquitin tagging is important for protein degradation by proteasomes. It is not involved in the pathogenesis of I-cell disease. +
Acyclovir is not active against CMV so it should never be used in suspected CMV retinitis. Acyclovir is not known to cause electrolyte imbalances. +