Sagis Dermatopathology

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Sagis Dermatopathology Our board-certified dermatopathologists offer diagnoses for physicians and education for residents.

08/01/2026

August is Psoriasis Awareness Month, and we're marking it with a look inside the diagnostic process.

In this case review, Tom Davis, MD walks through a psoriasis case straight from the slide, covering the histologic features that support the diagnosis and the differentials worth ruling out.

This case comes from a past Sagis Dermpath CORE Exam Review, held twice a year to allow students' learning experience with real cases directly from Sagis Diagnostics pathologists. Our next one is coming in October, so keep an eye out for that registration soon!

Psoriasis is one of the most common diagnoses we see, and it affects far more than the skin. That commitment is why Sagis is proud to sponsor the National Psoriasis Foundation Fall Soirée this September.

07/31/2026

The Sagis team was honored to host the Annual July Combined Fort Worth-Dallas Dermatological Society Melanoma Meeting. The July Melanoma meeting is in honor of the late Fort Worth dermatologist Dr. Daniel Ingraham who sadly passed away from melanoma.


The evening opened with welcoming the new DFW area residency program incoming PGY-2 residents and fellows, followed by a few resident case presentations. Then it was our turn. Board-Certified Dermatopathologists Thomas Davis, MD, FAAD; Danielle Wehle, MD, MS; and Mark Matthews, MD; and Partner & Chief Medical Officer and Board-Certified Dermatopathologist Howard “Trey” Martin, MD, each shared a very interesting case on clinically instructive melanocytic lesions. It’s this kind of collaboration with the dermatology community that we value most through sharing educational insights with the derm community. Thank you to the Dallas and Fort Worth Derm Society for having us!

07/10/2026

The mini exhibit of “Look At Me. What Do You See?” with Made A Masterpiece, Inc brought together dermatology students, residents, and practitioners from across the Houston area for an intimate evening centered on art and community.

Sagis was proud to sponsor this event, and the evening was a meaningful reminder of why their work matters. The setting showcased the artwork beautifully, and the crowd size gave Made A Masterpiece founder Dr Alanna Bree, MD the space to connect directly with guests and share the mission and impact behind the nonprofit’s work.

Thank you to Alanna Bree, MD and the Made A Masterpiece community for welcoming Sagis Diagnostics into this experience.

07/01/2026

July brings two things at once: UV Awareness Month and the start of dermatology residency.

You’ll see a lot of UV-related skin cancers this year. The clinical picture points you in a direction, but the real diagnosis lives under the microscope, where cases aren’t always as straightforward as they may seem.

That diagnostic complexity is where Sagis focuses. As a dermpath-owned lab, resident education is central to what we do, not an add-on. Our board-certified dermatopathologists are practicing, teaching, and paying close attention to what’s crossing the scope right now.

If you’re starting residency this month, connect with us, and we’ll help you through your dermatology career: https://www.sagisdx.com/dermpath-educational-library/

Sagis was honored to sponsor the Houston Dermatological Society's Hail and Farewell last week from UTMB, Baylor College ...
06/12/2026

Sagis was honored to sponsor the Houston Dermatological Society's Hail and Farewell last week from UTMB, Baylor College of Medicine, and McGovern Medical School at UT Health Houston. We spent an evening celebrating the graduating resident class of 2026 and welcoming the new residents to the HDS community.

To the class of 2026: congratulations on completing your training. Your commitment to dermatology is evident, and we're proud to support this community in Houston.

To the new residents: welcome. We look forward to supporting you, too.

05/22/2026

What is a MART-1 stain, and why does it matter for skin cancer detection? 🔬

Howard “Trey” Martin, MD (Partner & Chief Medical Officer) at , breaks down how this advanced immunostain acts as a powerful marker for melanocytes. By helping our pathologists study the architecture of a lesion, it allows us to deliver the precise, definitive diagnoses that physicians rely on.

With May being , understanding the tools behind early detection is more important than ever. To put the scope of this disease into perspective, Sagis diagnosed a staggering 104,524 total cases in 2025 alone.

Of those, specific cases totaled:
▶️ 2,887 Melanoma (MM) cases
▶️ 2,958 Melanoma in Situ (MIS) cases

Did you know that 1 in 5 Americans will develop skin cancer in their lifetime?

These aren’t just statistics — they represent individuals, families, and a powerful reminder of why accurate, timely diagnostics are so vital.

☀️ As we kick off the Memorial Day long weekend, today marks Don’t Fry Day.

Before you head out to enjoy the sunshine, remember to protect the skin you’re in:
🧴 Apply (and reapply!) broad-spectrum SPF 30+.
🧢 Wear protective clothing, wide-brimmed hats, and UV-blocking sunglasses.
🌳 Seek shade during peak hours (10 AM – 4 PM).
🔍 Check your skin regularly and schedule your annual screening.

From all of us at , have a safe and happy holiday weekend!

That’s a wrap on ! 🔬✨We had an incredible time in Albuquerque for the New Mexico & Dermatologic Surgery Society meeti...
05/07/2026

That’s a wrap on ! 🔬✨
We had an incredible time in Albuquerque for the New Mexico & Dermatologic Surgery Society meeting.

Alberto Najera, Sr. Territory Manager, had an incredible time connecting with the community and sharing insights. From engaging sessions to meaningful conversations at the booth, the energy this year was unmatched!

At , we are committed to providing the diagnostic clarity and partnership you need to provide the best patient care. We'’e already looking forward to next year. 🏜️

Didn’t get the chance to connect with us at the conference? DM us!

What an incredible time at the Spring Meeting! 🌵 Our leadership and team had a fantastic weekend connecting with the ...
04/27/2026

What an incredible time at the Spring Meeting! 🌵 Our leadership and team had a fantastic weekend connecting with the community.

A few highlights:
    •     hosted the terrace cocktail reception 🥂
    •    Dr. Trey Martin, Keagan Lee, MD, Raj Yalamanchili and Tom Davis all enjoyed meeting with current longstanding clinicians and meeting new ones!  
    •    A huge congratulations to our raffle giveaway winner from ! 🏆

Thank you to everyone who stopped by to say hello. We’re already looking forward to next year! 🥳

Boards University + Sagis + NeutrogenaA winning combination, uniting to support the next generation of . 🔬✨The energy a...
04/22/2026

Boards University + Sagis + Neutrogena
A winning combination, uniting to support the next generation of . 🔬✨

The energy at the booth for 21@21 LIVE at American Academy of Dermatology 2026 annual meeting was nothing short of electric!

▶️ It was a privilege for to contribute to the live high-yield board review at the “resident’s corner” in the booth, uniting excellence with the world of innovative science.

A special thank you to Kavita Mariwalla, MD for her visionary leadership of this program. We were honored to be part of the team and are incredibly excited about the potential to deepen our partnership with Neutrogena to continue supporting the next generation of . 👏

Tom Davis, MD, led the dermatopathology portion, providing residents with the essential tools to master complex cases.

Seeing the impact of this collaborative educational environment reinforces our belief that when the best in diagnostics and the best in skincare come together, the entire dermatology community wins. 🫶

04/01/2026

🔬 Can you diagnose this case with Dr. Howard “Trey” Martin? Vote to choose your diagnosis!
🔍 Key Histology Findings:

• Uniform basal cells extending from the undersurface of the epidermis into the dermis
• Ductal differentiation within the tumor
• Transition from benign poroma to cytologically atypical poroid cells

A long-standing lesion on the scalp of a a 73 year old male that has suddenly changed. Take a look at the histologic images, and put your skills to the test with this case review.

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❇️ Sagis is a 100% dermpath-owned, full-service pathology and lab testing provider delivering accurate, timely results for physicians, clinics, and health systems.

👩‍⚕️👨‍⚕️ Our expert lab team and 35+ board-certified pathologists provide clear, comprehensive results that support confident clinical decisions.

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