basic radiology

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Updated: May 15, 2026 at 1:39 PM

basic radiology

X-ray Chanel https://www.facebook.com/profile.php?id=61558872729627&mibextid=ZbWKwL

@radio_2023 is a dedicated channel for chanel and httpswwwfacebookcomprofilephpid61558872729627mibextidzbwkwl with regular updates in Medical

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basic radiology

May 22, 2026, 11:24 PM

Radiological modalities used
in hepatobiliary system

🔻 X-Ray

✏️ Advantages.
▪️ Cheap.
▪️ Widely available
✏️ Disadvantages.
▪️ Radiation.
▪️ Poor soft tissue details.

🔷 COMPUTED TOMOGRAPHY (CT)

🔻 Advantages.
▪️ Good at evaluating abdominal solid organs.
🔸 Disadvantages
▪️ Contrast can be contraindicated.

🟪 MRI

🔹 Advantages.
● Good at evaluating solid organs.
● No radiation
🔸 Disadvantages
● Long scan time.
● Less available than other modalities

🟥 ULTRASOUND

🟡 Advantages.
● No radiation.
● Very good soft tissue details.
🟢 Disadvantages.
● Operator dependant.
● Limited in evaluating bowel and calciﬁcation.

🟥 NUCLEAR MEDICINE.

🔷 Advantages.
▪️Excellent in evaluating organ function.
🟫 Disadvantages.
▪️ Radiation.
▪️Very poor in evaluating anatomy.
▪️ Not widely available.

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basic radiology

May 22, 2026, 11:24 PM

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basic radiology

May 22, 2026, 11:24 PM

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basic radiology

May 22, 2026, 11:24 PM

✅ pneumoperitoneum

👉 Characteristics
- Free intra-abdominal air.

- May follow surgery. It is normal to see free air up to 3 days following a laparotomy. Beyond 3 days, there is a high suspicion of air leak from an
abdominal/pelvic viscus.

- Associated with a perforated abdominal or pelvic viscus (e.g. duodenal ulcer, ruptured appendicitis or diverticulitis, vaginal injury), blunt or penetrating trauma, necrotising enterocolitis, inflammatory bowel disease.

- Pneumomediastinum may track into the abdomen.

- Rupture of a bleb from pneumatosis cystoides intestinalis may lead to
asymptomatic intraperitoneal air.

👉 Clinical Features
🚫 - THIS IS A SURGICAL EMERGENCY.

- Abdominal pain. Vomiting. Diarrhoea.

- Pyrexia. Sweating.

- Patient shock – tachycardia and hypotension.

- Abdominal tenderness with signs of peritonism (guarding and rebound tenderness).

👉 Radiological Features
- As little as 5 ml of air may be visible.

📌- Erect CXR – free air lying under one or both of the hemidiaphragms.

- The CXR may be normal or if supine/semi-recumbent, it may be missed.

📌 - AXR or decubitus films may be helpful
- Locules of gas lying outside bowel often with odd/linear margins.

- Both sides of the bowel may be visible (Rigler’s sign).

- The falciform ligament may be demonstrated.

- Hyperlucency overlying the liver with clear inferior hepatic margin outlined by air.

📌 - CT – demonstrates even tiny locules of free air if clinically suspicious. Also allows assessment of underlying cause.

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basic radiology

May 22, 2026, 11:24 PM

📷 Photo

intussusception

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basic radiology

May 22, 2026, 11:24 PM

📷 Photo

Normal Breast

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basic radiology

May 22, 2026, 11:24 PM

Channel photo updated

basic radiology

May 22, 2026, 11:24 PM

📷 Photo

Liver (purple)
Spleen (pink)
Location of the pancreas (white outline) – not normally visualized

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basic radiology

May 22, 2026, 11:24 PM

📷 Photo

The most common abnormalities in the breast

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basic radiology

May 22, 2026, 11:24 PM

📷 Photo

Right kidney (red)
Left kidney (red)
Location of right ureter (white outline) – not normally visualized
Location of left ureter (white outline) – not normally visualized
Urinary bladder (orange)
Gas in the rectum (green)
Location of right adrenal gland (white outline) – not normally visualized
Location of left adrenal gland (white outline) – not normally visualized
Location of the gallbladder (white outline) – not normally visualized

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