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@drbckpatel

Video showing how to perform a temporal artery biopsy by Dr. BCK Patel MD, FRCS

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Personnel

A temporal artery biopsy is performed by a surgeon trained and proficient with the procedure. This is typically an ophthalmologist accompanied by a nurse for intraoperative assistance and post-procedure monitoring.

Preparation

Appropriate biopsy site selection is critical to confirm the diagnosis of giant cell arteritis. Clinical symptoms such as visual disturbances, headache, or a painful vessel assist the surgeon in selecting laterality for the temporal artery biopsy, even though the physical examination poorly correlates with biopsy results.

After choosing which temporal artery to biopsy, Doppler ultrasound is employed to identify a peripheral segment of the frontal branch of the temporal artery in the anatomic safe zone. This branch is often located just posterior to the anterior hairline, a location that facilitates cosmesis and scar camouflage.

The patient is placed in a reclined position. The surgeon makes two marks: at least a 5-centimeter length of the artery and a 3- to 4-centimeter incision. This length of the artery is necessary due to the potential for segmental manifestations of the underlying disease process. 

Technique or Treatment

Trim the hair as necessary and scrub and drape the skin in the normal fashion. Anesthetize the intended area with 5 to 10 mL of lidocaine with epinephrine; extend the area to 1 cm lateral to the artery on either side. Using the No. 15 scalpel blade, incise the dermis directly over the artery such that the thin subcutaneous tissue is barely visible. Separate the edges of the incision using blunt-tipped dissecting scissors and skin hooks; dissect to uncover the superficial temporal fascia. Grasp this fascia with forceps a few millimeters lateral to the artery. Incise the fascia sharply with scissors and enlarge the fascial incision to expose the artery. Palpation of the arterial pulse may facilitate identifying the vessel.

Gently harvest approximately 5 centimeters of the vessel. Use suture or indirect electrocoagulation via forceps to ligate any small branches of the temporal artery prior to transection; this promotes a relatively bloodless surgical field. Ligate the proximal and distal portions of the main vessel using 4-0 or 5-0 polyglactin 910 suture, transect the vessel, and place the specimen in formalin. Apply electrocoagulation to the vessel ends in situ. Ensure that hemostasis is achieved. Approximate the skin edges with 5-0 poliglecaprone subcutaneous sutures, and complete the closure with either a cyanoacrylate skin adhesive or 6-0 gut sutures. 

Surgical Tips
  • Consider marking the safe zone before the procedure, as shown in the video.
  • Avoid sharp dissection under the superficial temporal fascia; blunt dissection is preferred.
  • After dissecting through the superficial temporal fascia to identify the temporal artery, avoid additional deeper or blind dissection.
  • Once the artery is identified, identify any nerve branches in the area, as the temporal facial nerve may be very close to the temporal artery in some patients, even when the safe zones are marked.
  • Plan to biopsy the frontal branch of the superficial temporal artery rather than the main trunk or the parietal branch.
  • Gentle handling of the temporal artery before ligation and harvesting can be accomplished using muscle hooks.

Complications

A significant challenge facing the pathologist interpreting the TAB is the potential for false-negative results, which may occur in 5% to 10% of cases. Therefore, the surgeon must perform the TAB employing appropriate biopsy site selection, meticulous tissue handling, and adequate specimen length to maximize diagnostic yield. Unfortunately, despite the correct technique, false-negative results remain common. In some cases, bilateral TAB may increase the yield and decrease the false-negative rates.

The most dreaded complication of TAB is temporary or permanent damage to the temporal branch of the facial nerve. Techniques to reduce the risk of nerve injury include ultrasonographic localization of the artery, placement of incisions directly superficial to the artery to protect the potentially deeper running nerve, and blunt dissection only within or above the superficial temporal fascia. A 2009 study found that 1.25% of TAB specimens contained a portion of the temporal facial nerve, and a 2012 study found that 4% of patients undergoing TAB had frontalis dysfunction with no improvement at 6 months.

Other than common surgical complications such as bleeding, infection, hematoma, and wound dehiscence, possible, albeit rare, complications of TAB include ischemic stroke and scalp or tongue necrosis, which have been reported. Some authors recommend palpating and firmly holding a bounding temporal artery pulse for several minutes before proceeding with TAB or locating a major arterial branch other than that being biopsied via ultrasound to ensure collateral vascular supply and minimize the risk of subsequent stroke.

Clinical Significance

​
The gold standard for diagnosing giant cell arteritis is a temporal artery biopsy. Due to a relatively low negative predictive value, however, a negative biopsy result does not definitively rule out the diagnosis. Currently, patients are considered to have the diagnosis of temporal arteritis if three of the following five clinical features are present:
  • Age ≥50 years at the onset of symptoms
  • New headache
  • Temporal artery abnormalities, such as tenderness of the superficial artery or decreased palpability of its pulse
  • ESR ≥50 mm/hr
  • Abnormal TAB, demonstrating vasculitis, a predominance of mononuclear cell infiltration or granulomatous inflammation, or multinucleated giant cells 
Reference Link: Detailed Article on  Temporal Artery Biopsy. Patel BCK
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    Author

    Dr. BCK Patel MD, FRCS

Conditions

Aging Of The Face
Aging of Lower Eyelids
Aging of the Forehead and Brows
Aging of Eyelashes
Aging of the Cheeks
Aging of the Neck
Aging of the Lips
Aging of the Mouth
Aging of the Chin
Aging of Eyelashes
Aging of the Hands
Aging Of Skin Colour
Aging Of Hair
​Aging of the Jowls
Aging of Men
Aging of the Skin
Aging of Veins and Vessels
Scars

Cosmetic

Facelift
Browlifts
Lower Blepharoplasty/Hammock Lift
Upper Blepharoplasty
Midface Lift/Hammock Lift
Necklift
Lips
Mouth
Neck Liposuction
Fat Transfer
Skin Resurfacing
Cheeks
J-PLASMA SKIN RESURFACING
J-PLAZTY FACE
Removal of Moles, Lesions, Tags, Cysts and Blemishes
Facial Implants
Otoplasty, Ear Pinning, or Bat-Ear Repair
​Complications?

Reconstruction

​Entropion
Acquired Ptosis
Ectropion
Congenital Ptosis
Blepharospasm
Anophthalmos and Microphthalmos
Thyroid Eye Disease
Enucleation and Evisceration
Nasolacrimal Duct Obstruction
Symblepharon
Congenital Anomalies - Lid Disorders
Acne Rosacea
Trauma
Infections
Skin Tumors
Orbital Tumors

Non- Invasive

 Photorejuvenation
Aerolase Laser
Botox
Laser Hair Removal
Kybella
Juvederm
Chemical Peels
Fractional Carbon Dioxide CO2 Laser
XEOMIN ®
Voluma
Latisse Eyelash Treatment
Leg Veins and Spider Vein Treatment
Sculptra
Neck and Chest Cosmetic Concerns
Restylane
Dysport
Accent Radiofrequency
Microdermabrasion and Light Chemical Peels
Melasma
Fractional Resurfacing Lasers: Erbium lasers
Color and Texture Issues – Brown Spots on Face, Redness
Laser Tattoo Removal
Radiesse
Acne
​Permanent Cosmetic Makeup

VIDEOS

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  • Home
  • Locations
    • Plastic Surgery Salt Lake City
    • Plastic Surgery St. George
  • Conditions
    • Aging Of The Face
    • Aging of Lower Eyelids
    • Aging of the Forehead and Brows
    • Aging of Upper Eyelids
    • Aging of the Cheeks
    • Aging of the Neck
    • Aging of the Lips
    • Aging of the Mouth
    • Aging of the Chin
    • Aging of Eyelashes
    • Aging of the Hands
    • Aging Of Skin Colour
    • Aging Of Hair
    • Aging of the Jowls
    • Aging of Men
    • Aging of the Skin
    • Aging of Veins and Vessels
    • Scars
  • Cosmetic
    • Facelift
    • Browlifts
    • Lower Blepharoplasty
    • Upper Blepharoplasty
    • Midface Lift/Hammock Lift
    • Necklift
    • Cosmetic Surgery for Men
    • Lip Lines
    • Lips
    • Mouth
    • Neck Liposuction
    • Fat Transfer
    • Skin Resurfacing
    • Cheeks
    • Removal of Moles, Lesions, Tags, Cysts and Blemishes
    • Facial Implants
    • Otoplasty, Ear Pinning, or Bat-Ear Repair
    • Complications?
  • Reconstruction
    • Acquired Ptosis and Dermatochalasis
    • Congenital Ptosis
    • Ptosis in Myasthenia Gravis
    • Blepharophimosis Syndrome
    • Entropion
    • Ectropion
    • Thyroid Eye Disease
    • Nasolacrimal Duct Obstruction
    • Skin Tumors
    • Orbital Tumors
    • Blepharospasm
    • Pterygium
    • Anophthalmos and Microphthalmos
    • Enucleation and Evisceration
    • Exenteration
    • Symblepharon
    • Congenital Anomalies - Lid Disorders
    • Acne Rosacea
    • Trauma
    • Infections
  • Non Invasive
    • Photorejuvenation
    • Aerolase Laser
    • Botox
    • Radiesse
    • Restylane
    • Juvederm
    • Fractional Carbon Dioxide CO2 Laser
    • Fractional Resurfacing Lasers: Erbium lasers
    • Laser Hair Removal
    • Kybella
    • Chemical Peels
    • XEOMIN ®
    • Voluma
    • LATISSE EYELASH TREATMENT
    • Leg Veins and Spider Vein Treatment
    • Sculptra
    • Neck and Chest Cosmetic Concerns
    • Dysport
    • Accent Radiofrequency
    • Microdermabrasion and Light Chemical Peels
    • Melasma
    • Laser Tattoo Removal
    • Color and Texture Issues – Brown Spots on Face, Redness
    • Scars and Acne
    • Permanent Cosmetic Makeup
  • Resources
    • Patient Forms & Downloads
    • Out Of State and Overseas Patients
    • Reviews
    • VIDEOS Patel Plastic Surgery
  • About
  • Blog
  • Contact