The American journal of the medical sciences
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Primary pulmonary lymphoma (PPL) is a rare type of lymphoma, representing <1 % of all primary lung cancers. Mucosa associated lymphoid tissue (MALT) lymphoma, the most common type of PPL, has an indolent slow growing course over years leading to frequent misdiagnoses. ⋯ A transthoracic biopsy confirmed it as MALT lymphoma. This case highlights the unusual manifestation in MALT lymphoma (being in disguise for a decade prior to diagnosis), thus emphasizing the role of meticulous evaluation of prior medical records and biopsy.
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Data from pivotal randomized controlled trials established the four pillars of guideline-directed medical therapy in heart failure with reduced ejection fraction. The randomized controlled trials enrolled stable patients with New York Heart Association functional class II-III and a low incidence of cardiovascular death and hospitalization for heart failure. ⋯ We review the observational studies that point to the fading benefit of neurohormonal modulation and cardiac afterload reduction in the late stages of cardiovascular or renal diseases. We then propose a pragmatic approach for collecting evidence-based data on sequential withdrawal of the four pillars in patients with heart failure and reduced ejection fraction after years of guideline-directed medical therapy.