Wilson disease is most prevalent in which age, what raises the suspicion of wilson

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Wilson Disease

Age of Prevalence

Wilson disease (WD) is a disease of young people. Symptoms typically appear between 6 and 40 years of age, though onset as late as the fifth or sixth decade has been reported in rare cases. The most common presentation is in the second decade of life (adolescence/young adulthood). An acute presentation - often as acute liver failure - typically occurs in the second decade and accounts for up to 25% of cases.

Robbins & Kumar Basic Pathology, p. 615
Bradley & Daroff's Neurology in Clinical Practice, p. 3800

What Raises Suspicion of Wilson Disease?

1. Clinical Presentation Pattern

About one-third of patients present in each of three ways:

Hepatic disease (acute hepatitis, chronic hepatitis, or cirrhosis)
Neurological features (extrapyramidal: tremor, chorea, dystonia, dysarthria, dysphagia, ataxia, gait disturbance)
Psychiatric symptoms (personality/mood changes, depression ~30%, bipolar features ~20%, psychosis)

Any young patient (especially <40 years) with unexplained liver disease plus neuropsychiatric features should raise immediate suspicion.

2. The Kayser-Fleischer (KF) Ring

The hallmark clinical sign. A yellow-brown/green-brown copper deposit in the Descemet membrane at the limbus of the cornea.

Present in 98% of patients with neurological disease
Present in ~80% of all cases of WD
Best seen on slit-lamp examination
Nearly all patients with neurological involvement have KF rings

3. Specific Clue in Acute Liver Failure (ALF)

When a young patient presents with ALF, Wilson disease is suspected when:

Serum alkaline phosphatase : total bilirubin ratio < 4 (low ALP is unusual for most liver diseases)
AST : ALT ratio > 2.2
Unconjugated hyperbilirubinemia from hemolysis (Coombs-negative hemolytic anemia)
Ascites as an early feature (suggesting underlying cirrhosis)

4. Laboratory Red Flags

Test	Finding in Wilson Disease
Serum ceruloplasmin	Low (hallmark, though not the most sensitive)
24-hour urinary copper	Elevated (most specific test)
Hepatic copper content	>250 µg/g dry weight (most sensitive; diagnostic at this level)
Serum copper	Unreliable - may be low, normal, or high depending on disease stage
Serum ALP	Paradoxically low in acute Wilson ALF

5. Organ Systems Affected - Red Flags by System

System	Suspicious Finding
Liver	Unexplained hepatitis, steatosis, cirrhosis in a young person
Neuro	Tremor, dystonia, dysarthria, ataxia in young age
Eye	Kayser-Fleischer rings on slit-lamp
Psychiatric	Personality change, depression, psychosis in a young person with hepatic disease
Blood	Coombs-negative hemolytic anemia (copper causes RBC hemolysis)
Kidney/Bone	Renal tubular acidosis, osteoporosis, fractures in young patients

Pathophysiology Summary

Wilson disease - copper metabolism and ATP7B mutation

Fig. 14.22 from Robbins & Kumar: ATP7B mutation impairs both biliary copper excretion and ceruloplasmin formation, causing copper accumulation in hepatocytes and downstream toxicity to brain, corneas, kidneys, and bones.

WD is autosomal recessive, caused by loss-of-function mutations in ATP7B (chromosome 13), a copper-transporting ATPase. The result is:

Copper cannot be excreted into bile (primary copper excretion route)
Copper cannot be incorporated into apoceruloplasmin → low serum ceruloplasmin
Hepatic copper accumulates → hepatocyte injury → copper spills into blood
Free copper deposits in brain (basal ganglia), corneas, kidneys, joints, parathyroid glands

Sources: Robbins & Kumar Basic Pathology, pp. 614-616 | Bradley & Daroff's Neurology in Clinical Practice, p. 3800 | Sleisenger & Fordtran's GI and Liver Disease, p. 1838

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Here is a structured analysis of the two CT films:

CT Scan Analysis

Technical Details

Parameter	Finding
Modality	CT (Computed Tomography)
Facility	EKO Diagnostics
Scan Date	05 July 2020
Patient	Nilanjana Ghosh (female)
Coverage	Full abdomen and pelvis (lower chest to proximal thighs)
Contrast	IV contrast used (vascular and parenchymal enhancement visible); oral contrast also administered (bright bowel loops in pelvis)
Views	Axial slices (sequential, cranio-caudal) + coronal reconstructions (bottom-left of first film)

Film 1 (IMG_2090) - Overview: Chest Base + Full Abdomen + Pelvis

Left panel - Lower abdomen and pelvis (axial + coronal):

Lumbar vertebrae and sacrum intact, no gross destructive lesions
Bowel loops with normal gas distribution - no signs of obstruction
Urinary bladder visible anteriorly in the pelvis
Uterus/adnexa visible in mid-pelvis (female patient)
Rectum seen posteriorly
Psoas and abdominal wall musculature appear symmetric
Coronal reconstructions (bottom rows) show the retroperitoneum and para-aortic region

Right panel - Upper abdomen (chest base to mid-abdomen):

Liver: Well-visualized in the right upper quadrant with homogeneous enhancement; portal and hepatic venous branches visible
Spleen: Normal crescentic shape, homogeneous enhancement, left upper quadrant
Pancreas: Visible anterior to the splenic vein in the retroperitoneum
Kidneys: Both kidneys show symmetric cortical/medullary enhancement (nephrographic phase); no obvious stones or masses at this resolution
Stomach: Partially distended, normal
Heart and lung bases: Visible in the upper slices; no obvious large pleural effusions or consolidation

Film 2 (IMG_2091) - Lower Abdomen and Pelvis Detail

This film shows sequential axial slices from the mid-abdomen down to the bony pelvis, providing finer detail of:

The aortic bifurcation and common iliac vessels
Bowel loops in the lower abdomen - normal distribution without distension or obstruction
Pelvic inlet and true pelvis including the bladder, uterus, and rectum
Bony pelvis: Iliac wings, sacrum, and femoral heads appear intact
No gross free fluid (ascites) visible
No large solid masses or cystic lesions apparent

Overall Impression (Visual Analysis)

System	Observation
Liver	Appears homogeneous, no obvious focal lesion at this resolution
Spleen	Normal in size and attenuation
Kidneys	Symmetric enhancement, no obvious obstruction or mass
Bowel	Normal gas pattern, no obstruction
Pelvis	Bladder, uterus, and rectum appear grossly normal
Bones	No obvious lytic or sclerotic lesions
Vasculature	Aorta and IVC appear patent
Free fluid	No obvious ascites

Important Limitations

These images are photographs of physical CT films on a light box, not high-resolution DICOM files. As a result:

Fine details such as small renal stones, subtle liver lesions (<1 cm), small lymph nodes, or early peritoneal deposits cannot be reliably assessed
Bone and lung windows are not separately available
No definitive diagnosis can be made from this format

This analysis is for educational/orientation purposes only. A formal radiological report requires review of original DICOM images by a licensed radiologist with full clinical context.

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