Dr. Stephanie Pun

Hip Preservation Surgeon & Associate Professor of Orthopaedic Surgery @StanfordMed

[Stanford Orthopaedics @Stanford_Ortho]

Welcome new intern class!!
Dr. Maloney welcomed our class of 2026 during residency grad & Dr. Shea took them on an epic hike, starting off their journey with sunshine & smiles! Looking forward to the coming years & their success! #stanfordortho #ortho #interns #surgery #welcome

[Stanford Orthopaedics @Stanford_Ortho]

MAKING HISTORY!
Congratulations to Dr. Serena Hu on becoming the 134th FIRST female president of the American Orthoapedic Association (AOA). A big applause and congratulations!

#leadingleaders #stanfordortho #president #spine #professor #aoa #stanfordmedicine #makinghistory

[Dr. Stephanie Pun @StephaniePunMD]

@StanfordPlastic Congratulations, Meewon! Well deserved!

[Steven Frick @DrStevenFrick]

Welcome to the new Stanford Ortho residents! Future is bright

[Jorge Chahla, MD, PhD @jachahla]

When those high kicks, squats, and prolonged periods of sitting are causing pain, FAI may be to blame. Beautiful dissection with my friend Dr. Safa Gursoy demonstrates hip impingement with a CAM lesion. #anatomy #dissection #hip #orthopedicsurgery #orthopedics #fai #pt #camlesion

[Dr. Stephanie Pun @StephaniePunMD]

Happy #NationalWomenPhysiciansDay from the ladypods of @Stanford_Ortho! #ILookLikeASurgeon

[CORR @Clinorthop]

Have a look at our December article discussing the favorable early outcomes of true reverse periacetabular #osteotomy for symptomatic #hip overcoverage
#OrthoTwitter @StephaniePunMD @Stanford_Ortho @BostonChildrens
📖 https://t.co/XbGemYLDUk

[I'mAHIPpy @HIPpyHipHealth]

How common is Hip Dysplasia in infants? 1 in 10 infants is born with hip instability. 1 in 100 infants is treated for hip dysplasia. 1 in 500 infants is born with completely dislocated hips.
For more information about hip dysplasia, https://t.co/ZhHRMci4Sk

[Dr. Stephanie Pun @StephaniePunMD]

@RugbyMD @SAMMCOrtho @rwwesty @CeciPGarrido @HenryEllisMD @RafaSierra5 @DrKrych Thanks! Excited to join this great group!

[The Breakfasteur @TheBreakfasteur]

Total hip replacement #MedTwitter

[IHDIonline @IHDIonline]

Hip dysplasia in teenagers & young adults can easily go undiagnosed. Learn about warning signs (here is a hint, sometimes it involves increased flexibility) here: https://t.co/lhdBaHlbmE

[IHDIonline @IHDIonline]

Diagnosing Adult DDH can be difficult and often results in multiple visits to many different physicians. The pain can appear in your back or knee resulting in a missed diagnosis. Learn about adult DDH here and become your own advocate: https://t.co/XkuPqn8gKV

[Stanford Orthopaedics @Stanford_Ortho]

Congratulations! #Stanford Orthopaedic Surgery Residents, Class of 2019!! We are honored to have had Visiting Professor, Steven J. MacDonald MD, FRCSC, Professor & JC Kennedy Chairman of Orthopaedic Surgery at the University of Western Ontario as our guest. #Congrats #Graduation

[Dr. Stephanie Pun @StephaniePunMD]

@function2fitnes @kfjnordin Thanks, glad you think it is helpful!

[Dr. Stephanie Pun @StephaniePunMD]

@mymomthesurgeon Get well soon, Jen!

[Dr. Stephanie Pun @StephaniePunMD]

More severe dysplasia usually causes pain/dysfunction at a younger age and is diagnosed earlier, whereas milder dysplasia may take decades for enough cumulative hip joint damage to cause pain. @IHDIonline @Stanford_Ortho @StanfordChild @StanfordHealth

[Dr. Stephanie Pun @StephaniePunMD]

#HipDysplasia can develop at any point during the first 10-15 years of life, as the hip grows along with the rest of the skeleton. Proper contact between the femoral head and acetabulum provides the necessary mechanobiologic signals for correct hip development. @StanfordChild

[Dr. Stephanie Pun @StephaniePunMD]

The triradiate cartilage and lateral epiphyseal growth centers contribute to the width and depth of the acetabulum. Insufficient triradiate growth in childhood can cause #DDH. Insufficient ossification of lateral epiphyseal growth centers can cause adolescent-onset #HipDysplasia.

[Dr. Stephanie Pun @StephaniePunMD]

“Only a horizontal sourcil is responsible for a vertical hourglass, which in turn is in the best situation to buffer the vertical forces acting in the hip joint without producing shear stresses” - Prof. Renato Bombelli

[Dr. Stephanie Pun @StephaniePunMD]

#HipDysplasia is broadly defined as a shallow acetabulum that does not sufficiently cover the femoral head, resulting in damage to the joint and arthritis over time. Up to 50% of young arthritic hips can be attributed to underlying hip dysplasia (Clohisy et al, JBJS 2011)

[Dr. Stephanie Pun @StephaniePunMD]

Remember that shear stress and high compressive forces are harmful to articular cartilage. Thus, a dysplastic acetabulum with an upward-sloping sourcil (weight-bearing roof of acetabulum) produces an unfavorable mechanical environment for the hip joint.