Immunohistochemistry Cytokeratin 7 (CK7) Test
Understanding the CK7 Test for Cancer Diagnosis
The Immunohistochemistry Cytokeratin 7 (CK7) Test represents a cutting-edge diagnostic approach in modern pathology, specifically designed to identify and characterize various types of cancer through tissue analysis. This sophisticated test detects the presence of cytokeratin 7, an intermediate filament protein expressed in specific epithelial cells, providing crucial information about tumor origin and differentiation.
What Does the CK7 Test Measure?
The CK7 test specifically detects the expression of cytokeratin 7 proteins within tissue samples. Cytokeratins are structural proteins found in epithelial cells, and different types of cytokeratins are expressed in various epithelial tissues throughout the body. CK7 is particularly valuable because it helps distinguish between different types of carcinomas and identifies the tissue of origin for metastatic cancers.
- Detects cytokeratin 7 protein expression patterns
- Identifies epithelial cell differentiation
- Helps determine tumor origin and classification
- Assists in distinguishing between primary and metastatic cancers
Who Should Consider the CK7 Test?
This test is essential for patients facing specific medical scenarios where precise cancer identification is critical for treatment planning and prognosis assessment.
Clinical Indications Include:
- Patients with metastatic cancer of unknown primary origin
- Individuals with suspicious tissue biopsies requiring precise classification
- Cases where differential diagnosis between different carcinoma types is needed
- Patients with lung, breast, or gynecological cancers requiring confirmation
- Individuals with tumors where CK7 expression patterns can guide treatment decisions
Key Benefits of the CK7 Test
The Immunohistochemistry Cytokeratin 7 Test offers numerous advantages for both patients and healthcare providers in the diagnostic process.
Diagnostic Advantages:
- Precise Tumor Identification: Accurately determines the origin of cancer cells
- Treatment Guidance: Helps oncologists select appropriate targeted therapies
- Prognostic Information: Provides valuable data for predicting disease outcomes
- Metastatic Evaluation: Identifies whether cancer has spread from another site
- Personalized Medicine: Enables tailored treatment approaches based on specific cancer characteristics
Understanding Your Test Results
Interpreting CK7 test results requires professional medical expertise, but understanding the general implications can help patients better comprehend their diagnosis.
Result Interpretation Guidelines:
- Positive CK7 Result: Indicates expression of cytokeratin 7, commonly seen in cancers of lung, breast, ovary, endometrium, and transitional cell carcinoma
- Negative CK7 Result: Suggests absence of CK7 expression, often seen in colorectal, prostate, and hepatocellular carcinomas
- Pattern Analysis: The staining pattern and intensity provide additional diagnostic information
- Clinical Correlation: Results must be interpreted in context with other diagnostic findings and patient history
Your healthcare provider will explain the specific implications of your test results and how they influence your treatment plan.
Test Pricing and Availability
| Price Type | Amount (USD) |
|---|---|
| Discount Price | $76 |
| Regular Price | $112 |
Turnaround Time
- Sample Collection: Daily by 6 PM
- Report Timeline: Block – 5 days | Tissue Biopsy – 5 days | Complex Tissue – 7 days
Sample Requirements
Submit tumor tissue in 10% formal-saline OR formalin fixed paraffin embedded block. Ship at room temperature. Provide a copy of the Histopathology report, Site of biopsy and Clinical history.
Nationwide Availability
We have diagnostic centers conveniently located across the United States, including major metropolitan areas such as New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, and San Jose. Our network ensures accessible testing services for patients nationwide.
Book Your Test Today
Take control of your health journey with precise diagnostic testing. Our experienced team of pathologists and oncologists are ready to provide you with accurate, reliable results that can guide your treatment decisions.
Call or WhatsApp us today at +1(267) 388-9828 to schedule your Immunohistochemistry Cytokeratin 7 (CK7) Test. Our knowledgeable staff will assist you with appointment scheduling, answer any questions about the testing process, and help coordinate sample collection if needed.
Early and accurate diagnosis is the foundation of effective cancer treatment. Trust our expertise in immunohistochemistry testing to provide the clarity you need for your healthcare decisions.

