Early Diagnosis Saves Lives: Critical Diseases That Can Be Caught with Check-Up - Uzm. Dr. Ferit Arğun

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Early Diagnosis Saves Lives: Critical Diseases That Can Be Caught with Check-Up
03 March 2026 · 3 min read

Early Diagnosis Saves Lives: Critical Diseases That Can Be Caught with Check-Up

Every year, millions of people around the world die due to diseases that could have been easily treated if they had been detected earlier. It is possible to prevent many of these losses; all that is required is a regular check-up screening. Here are critical diseases that can be caught early with check-up and the contribution of early diagnosis to treatment.

1. Hypertension (High Blood Pressure)

Hypertension is known as the “silent killer”; Because the vast majority of patients do not feel that they have high blood pressure for many years. Untreated hypertension paves the way for heart attack, stroke and kidney failure. However, it can be diagnosed early with a simple blood pressure measurement and easily controlled with lifestyle changes or medication.

2. Type 2 Diabetes and Prediabetes

According to the data of the Turkish Society of Endocrinology and Metabolism, 1 out of every 7 adults in our country has diabetes and most of these patients are unaware of their disease. Individuals detected in the prediabetes stage by fasting blood sugar and HbA1c tests can largely prevent the full development of the disease with nutrition and exercise regulation.

3. High Cholesterol and Cardiovascular Risk

High LDL cholesterol accumulates silently on the vessel walls for years, leading to atherosclerosis (arteriosclerosis). High cholesterol detected by the lipid panel reduces the risk of heart attack by 30-40% with dietary changes and, when necessary, statin therapy.

4. Colorectal Cancer

When colon cancer is caught at an early stage, the 5-year survival rate is over 90%; In the advanced stage, this rate drops dramatically. An annual occult blood test from the age of 45 and a colonoscopy every 10 years detect early polyps before they become cancerous. Screening should start at an earlier age in those with a family history.

5. Thyroid Diseases

Hypothyroidism (underactive thyroid gland) can mimic fatigue, weight gain, and depression; Hyperthyroidism can manifest itself in the form of palpitations and irritability. This disorder, which can be detected within minutes with the TSH test, is fully controlled with the right drug treatment.

6. Kidney Failure

Chronic kidney disease causes almost no symptoms in stages 1-2. Kidney dysfunction detected early by blood urea nitrogen (BUN), creatinine and urine albumin test, the rate of progression can be greatly slowed down; The need for dialysis can be postponed or avoided altogether.

7. Liver Diseases

When the liver is damaged, it does not feel it until the very late stage. ALT, AST and GGT values in the routine biochemistry panel indicate conditions such as fatty liver or chronic hepatitis at an early stage. Viral hepatitis screening (HBsAg, Anti-HCV) can prevent cirrhosis and liver cancer.

Early Detection: The Difference in Numbers

DiseaseEarly StageAdvanced Stage
Colorectal Cancer90%+ survival14% survival
Hypertension95%+ controlHigh risk of organ damage
Type 2 Diabetes (prediabetes)58% preventableComplications are inevitable
Chronic Kidney DiseaseProgress can be slowed downDialysis may be required

The differences in the table reveal that regular check-ups are not just a health routine, but a real life-saving habit.

Take care of your health; Find the disease before it finds you. You can contact our clinic to make your check-up appointment.

Uzm. Dr. Ferit Arğun
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Uzm. Dr. Ferit Arğun

İç Hastalıkları (Dahiliye) Uzmanı. Longevity, check-up, kronik hastalık yönetimi ve koruyucu sağlık alanlarında hastalarına bilimsel temelli, bütüncül bir yaklaşımla hizmet vermektedir.

Uzm. Dr. Ferit Arğun
Uzm. Dr. Ferit Arğun Internal Medicine Specialist
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