OBJECTIVE To investigate the effects on overall flap dynamics of altering the length of the primary flap in the Zitelli bilobed flap procedure, because the standard Zitelli design can result in distortion of the alar margin after repair of cutaneous nasal alar defects. METHODS Identical 1.5-cm circular cutaneous defects were made on the nasal alae and cheeks of 6 fresh human cadavers. A recta...

Background: The retroauricular-temporal or Washio flap has been introduced for reconstruction of partial nose and cheek defects, and has many advantages. We decided to evaluate the extended use of this technique in order to repair full thickness nasal defects. Methods: Superficial temporal and retroauricular arteries are identified with Doppler flowmetry. Selection points A, B, C and D are deli...

BACKGROUND Excess infratip lobule projection is often the result of deformities of the middle crus and lower lateral cartilage. The causes and correction of excess projection have not been well described. The classification of the deformities causing excess infratip lobule projection is defined and a surgical algorithm for addressing the infratip lobule is presented. METHODS A retrospective r...

OBJECTIVE To use the trimmed cartilage as a support material for both internal and external valves. METHODS The lateral crural turn-in flap (LCTF) technique is simply to make cephalic trimming of the lateral crura and turn it into a pocket created under the remaining lateral crus. Twenty-four patients with lateral crura wider than 12 mm and in whom this technique was applied took part in this...

Diameters of anterior and posterior atlantodental intervals (AADI and PADI) are diagnostically conclusive regarding ongoing neurological disorders in rheumatoid arthritis. MRI and X-ray are mostly used for patients' follow-up. This investigation aimed at analyzing these intervals during motion of cervical spine, when transverse and alar ligaments are damaged. AADI and PADI of 10 native, human c...

objective articular cartilage as an avascular skeletal tissue possesses limited capacity to heal. on the other hand, it is believed that the regeneration capacity of each tissue is largely related to its stem cell contents. little is known about the presence of mesenchymal stem cells in articular cartilage tissue. this subject is investigated in the present study. materials and methods articula...

Calcification of the alar ligament is rare. It usually develops as a result of traumatic injury and is especially prominent in the elderly. CT scanning is the gold standard of the diagnosis. We report a case of a calcification of the transverse and alar ligament in a patient with rheumatoid arthritis.

BACKGROUND Patients with bilateral cleft lip-cleft palate have nasal deformities including reduced nasal tip projection, widened ala base, and a deficient or absent columella. The authors compare the nasal morphology of patients treated with presurgical nasoalveolar molding followed by primary lip/nasal reconstruction with age-matched noncleft controls. METHODS A longitudinal, retrospective r...

Four-vessel occlusion in rats was introduced approximately 10 years ago to provide a rodent model of reversible forebrain ischemia. The model presented several advantages, which included ease of preparation, a high rate of predictable ischemic neuronal damage, a low incidence of seizures, and the absence of anesthesia. However, two issues concerning the efficient use of the four-vessel occlusio...