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T Cell Lymphoma (differential)

Thalassemia

Thalassemia: An In-Depth Overview Thalassemia is a complex group of inherited blood disorders that significantly impact the body’s ability to produce normal hemoglobin—the essential protein in red blood cells responsible for oxygen transport. This condition leads to anemia, which can range from mild to severe, and typically presents during childhood. Genetic Basis and Pathophysiology At its core, thalassemia is caused by mutations in the genes responsible for hemoglobin production. These mutations result in reduced or absent synthesis of one or more of the globin chains that make up hemoglobin. The imbalance in globin chain production destabilizes red blood cells, making them more prone to premature destruction. This process leads to anemia and a cascade of related health complications, including fatigue, growth delays, and organ damage. Types and Severity The severity of thalassemia depends on the specific type and number of gene mutations involved.

Thrombocytopenia

Thrombocytopenia: Causes, Symptoms, Diagnosis, and Treatment Key Points: Low platelet count symptoms and treatment Thrombocytopenia diagnosis and causes Medications and procedures for low platelet count Complications from untreated thrombocytopenia Autoimmune diseases and platelet destruction What is Thrombocytopenia? Thrombocytopenia is a medical condition characterized by a low platelet count in the blood. Platelets, also known as thrombocytes, are small blood cells produced in the bone marrow that play a crucial role in blood clotting. When an injury occurs, platelets gather at the site to form a clot, preventing excessive bleeding. A healthy adult typically has between 150,000 and 450,000 platelets per microliter of blood. Thrombocytopenia is diagnosed when platelet levels fall below 150,000 per microliter, leading to increased bleeding risk. If left untreated, thrombocytopenia can become life-threatening, particularly if severe internal bleeding or brain hemorrhage occurs. Early diagnosis and treatment are essential for preventing serious complications.

Thrombocytosis

Thrombocytosis: Causes, Symptoms, Diagnosis, and Treatment Thrombocytosis is a medical condition characterized by an abnormally high platelet count in the blood. Platelets are small cell fragments essential for blood clotting and wound healing. This guide covers the types, causes, symptoms, and treatment options for thrombocytosis. What is Thrombocytosis? Thrombocytosis occurs when the platelet count exceeds 450,000 per microliter of blood, as detected through a complete blood count (CBC) test. There are two main types of thrombocytosis: Essential Thrombocythemia (Primary Thrombocytosis): A rare blood disorder caused by overproduction of platelets in the bone marrow, often linked to genetic mutations such as JAK2. Reactive Thrombocytosis (Secondary Thrombocytosis): An elevated platelet count triggered by conditions like infection, inflammation, or surgery. Causes of Thrombocytosis The underlying causes vary depending on the type: Primary Thrombocytosis: Commonly associated with genetic mutations (JAK2, CALR, or MPL).

Thrombophilia

Thymidine phosphorylase deficiency (MNGIE)

Thyroid Cancer Monitoring (Post-Thyroidectomy)

Thyroid cancer monitoring after thyroidectomy involves regular testing and imaging to detect cancer recurrence early when it's most treatable. If you've had your thyroid removed for cancer, you'll need lifelong surveillance using blood tests (primarily thyroglobulin and thyroglobulin antibodies), neck ultrasounds, and sometimes other imaging studies. This monitoring is highly effective—most thyroid cancers are curable, and recurrence can be detected and treated successfully. What thyroid cancer monitoring involves: Regular blood tests to measure thyroglobulin (tumor marker) and thyroglobulin antibodies Periodic neck ultrasounds to visualize the thyroid bed and lymph nodes Thyroid hormone replacement therapy to suppress TSH Risk stratification to determine monitoring intensity Additional imaging (radioiodine scans, CT, PET) when indicated Why monitoring matters: Thyroid cancer can recur months to decades after initial treatment. Regular monitoring allows early detection when recurrence is small and easier to treat.

Thyroiditis

Traumatic Lumbar Puncture

Tubular Nephritis

Type 1 Diabetes

Type 1 diabetes is an autoimmune condition where the body's immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. This leads to little or no insulin production, which means glucose stays in the blood and can't enter cells to be used for energy. This results in high blood sugar levels, which can lead to various health problems over time. Type 1 diabetes can develop at any age but is most commonly diagnosed in children, teenagers, or young adults. Symptoms include increased thirst and urination, hunger, weight loss, fatigue, and blurred vision. Since the body cannot produce insulin, people with Type 1 diabetes must take insulin every day to survive. The exact cause of Type 1 diabetes is unknown, though it's believed to involve a combination of genetic predisposition and environmental factors that trigger the autoimmune response. There is currently no cure for Type 1 diabetes, but it can be managed through a combination of insulin therapy, diet, exercise, and regular blood sugar monitoring.

Type 2 Diabetes