Chronic Lymphocytic Leukemia (CLL)

Chronic Lymphocytic Leukemia (CLL)

TL;DR Chronic lymphocytic leukemia (CLL) is a slow progressing cancer due to overgrowth and accumulation of small incompetent mature-looking B-lymphocytes in the blood, bone marrow and lymphoid tissues. Small lymphocytic leukemia is a different clinical manifestation...
Acute Leukemia: An Overview

Acute Leukemia: An Overview

Introduction Acute leukemia, a devastating form of blood cancer, arises from the uncontrolled growth and proliferation of immature blood cells, known as blasts. These abnormal cells crowd out the healthy blood cells, disrupting the body’s ability to produce...
Perls’ Prussian Blue Staining

Perls’ Prussian Blue Staining

Introduction Prussian blue (Perls’) reaction is a method for staining non-heme iron in normoblasts (siderocytes), macrophages (hemosiderin), and other cells containing particulate iron. The granules are formed of a water-insoluble complex of ferric iron, lipid,...
Leishman Stain

Leishman Stain

Introduction The Leishman stain, characterized by its contrasting hues of blue, pink, and purple, offers a deeper understanding of cellular morphology and differentiation. The nuclei of cells stain a crisp blue, while the cytoplasm takes on vibrant pink or purple hues...
Megaloblastic Anemia

Megaloblastic Anemia

TL;DR Megaloblastic anemia is caused by defective DNA synthesis due to B12 deficiency or folic acid deficiency resulting in delayed red cell nucleus maturation in the bone marrow leading to macrocytic red cells (MCV > 95 fL in adults).  Signs and symptoms ▾...