by MH Team | Mar 30, 2026 | White Blood Cells
TL;DR Langerhans Cell Histiocytosis or formerly known as Histiocytosis X is a clonal myeloid neoplasm characterized by the proliferation of abnormal cells resembling Langerhans cells. It is driven by inflammatory signaling rather than simple cell mass. Molecular...
by MH Team | Mar 25, 2026 | White Blood Cells
TL;DR Tumor Lysis Syndrome or TLS is a life-threatening oncologic emergency caused by the rapid, massive lysis of malignant cells. This releases intracellular contents (potassium, phosphorus, and nucleic acids) into the systemic circulation, overwhelming homeostatic...
by MH Team | Mar 17, 2026 | White Blood Cells
TL;DR Hemophagocytic Lymphohistiocytosis or HLH is a life-threatening “cytokine storm” where a broken “off-switch” in the immune system leads to unchecked, hyperactive T-cells and macrophages that attack the patient’s own organs and...
by MH Team | Mar 9, 2026 | White Blood Cells
TL;DR Neutropenic sepsis is a medical emergency defined by a fever (≥ 38.3°C (101°F)) and an ANC < 0.5 X 109/L. It requires a “door-to-needle” time of < 60 minutes for the first dose of broad-spectrum antibiotics. Pathophysiology...
by MH Team | Nov 7, 2025 | White Blood Cells
TL;DR The plasma cell is the terminal, non-proliferating B-lymphocyte dedicated to antibody secretion. Plasma cells originate from B-cells via the Germinal Center (GC) reaction in lymphoid organs. Morphology ▾: Plasma cells has an eccentric nucleus with...
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