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Glossary Punch Biopsy

removal of a small, circular skin sample for examination

A punch biopsy is a medical procedure used to remove a small, circular section of tissue from the skin for examination. This is done using a sharp, hollow instrument called a punch, which is rotated into the skin to extract a core of tissue. It is commonly used to diagnose skin conditions, including alopecia, by allowing for microscopic analysis of the sampled tissue.

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Research

5 / 1000+ results

research Dissociated skin cells regenerate hair follicles in a microwound, “The Punch Assay”

5 citations , July 2018 in “Experimental Dermatology”

In this study, researchers developed a relatively simple punch assay for regenerating hair follicles using mouse or human cells, finding efficient hair formation with mouse cells but low efficiency with human cells on reconstituted human skin.

research The role of the scalp biopsy in the evaluation of alopecia

August 2023 in “Journal of the American Academy of Dermatology”

A scalp biopsy is essential for accurately diagnosing alopecia, with a 4-mm punch biopsy sectioned horizontally being the recommended technique according to this study.

research Alopecias: Practical Tips for the Management of Biopsies and Main Diagnostic Clues for General Pathologists and Dermatopathologists

July 2023 in “Journal of Clinical Medicine”

This paper identifies challenges in diagnosing alopecia variants, emphasizing the importance of pathologists understanding hair follicle histology, biopsy types, and collaborating with dermatologists to improve diagnostic accuracy.

research Scalp Biopsy and Diagnosis of Common Hair Loss Problems

2 citations , July 2013 in “InTech eBooks”

This article reviews the differences between scarring and non-scarring alopecias and describes diagnostic methods but reports no new clinical findings.

research The Value of Scrotal Biopsy in Leprosy

9 citations , January 1974 in “Leprosy Review”

This article discusses the various techniques for eyebrow replacement and concludes that punch grafting is specifically recommended for restoring hair to the medial end after vascular island transfer.

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Community Join

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community If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied

in Research 830 upvotes 2 years ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.

community DUPA/Retrograde might not be DHT based...GET A BIOPSY QUICK or permanent Hair Loss!

41 upvotes 1 year ago

DUPA and retrograde alopecia may not be solely DHT-based, and a biopsy is crucial for accurate diagnosis and treatment. Treatments mentioned include dutasteride, oral minoxidil, pioglitazone, clobetasol, calcipotriol, ketoconazole, and doxycycline, depending on the specific condition.

community Saw a local dermatologist recently, they suggested switching from Finasteride to Dutasteride…

in Finasteride/Dutasteride 20 upvotes 1 year ago

The user experienced hair loss and initially saw improvement with Finasteride but is now considering switching to Dutasteride due to lack of recent results. They plan to add topical Minoxidil and are awaiting biopsy results to determine the cause of hair loss.

community Do I Disagree With Dr. Who Says Hair Loss Cause is Female Pattern Baldness and not Iron Deficiency? (25 Female)

5 upvotes 5 years ago

A 25-year-old woman is experiencing hair loss and is unsure if it's due to iron deficiency or female pattern baldness, as diagnosed by her dermatologist. She is considering using Minoxidil but is hesitant and seeks advice on whether increasing her iron levels could help.

community 30-Min Dermatology Visit – Best Questions to Ask About Balding? ( 175$ )

6 upvotes 1 year ago

The conversation discusses hair loss treatments, focusing on finasteride, minoxidil, and other options like PRP and ketoconazole. It highlights the importance of asking specific questions during a dermatology visit to determine the cause of hair loss and appropriate treatments.

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