Thursday, February 4, 2016
PUBERPHONIA (Female voice in a male)
Himani Tyagi, MASLP (AIISH, Mysore) Audiologist, Chacha Nehru Baal Chikitsalya
Bindu, MASLP (AIISH, Mysore)
The persistence of adolescent voice even after puberty in the absence of organic cause is known as puberphonia. The condition is commonly seen in males. Normally adolescent males undergo voice changes due to sudden increase in length of vocal cords due to enlargement of thyroid prominence (Adam’s apple). This is uncommon in females because their vocal cords do not show sudden increase in length. This sudden increase in length of vocal cords is due to sudden increase in testosterone levels found in pubescent males. Children reach puberty around 12 years of age when their hormone levels begin to become elevated. In males, this is also the age when their larynx has a rapid increase in size. The vocal cords become longer and begin to vibrate at a lower pitch (or frequency). This explains why most males go through the period of voice breaks. The vocal cords are trying to adjust to their new dimensions. No such laryngeal changes take place in females who continue using a high pitched voice. The incidence of puberphonia in India is about 1 in 9,00,000 population. Even though the incidence is low, for an individual it causes social and psychological embarrassment.
In infants laryngotracheal complex lies at a higher level. It gradually descends. During puberty in males the descent is rapid, the larynx becoming larger and unstable and on top of it the brain is more accustomed to infant voice. The boy may hence continue using high pitched voice even after puberty or it may break into higher and lower pitches
21 years old male came to ENT OPD Yashoda Super specialty hospital with complaints of persistence of adolescent voice since childhood. There was an inability to raise his voice with frequent pitch breaks. And he complained of voice fatigue. He was psychologically depressed due to social embarrassment.
On examination his Adam’s apple was prominent. Laryngeal contour normal. Gutzmann pressure test (external downward pressure on the thyroid cartilage will often evoke normal sounding voice) was positive. Secondary sexual characters developed normally. Psychological evaluation shows the patient was psychologically disturbed. Initially he was referred to speech therapist and completed a course of voice therapy but he did not show any improvement . He was emotionally disturbed and anxious to get normal adult voice. So isshiki type 3 relaxation thyroplaty was planned under local anesthesia
Procedure was done under local anesthesia. Previously patient was put on nil per oral for 6 hours. A 1 and half inch incision given over proximal neck crease.
With gentle dissection thyroid cartilage was exposed.
Two incisions were given just 3 mm parallel to midline and anterior thyroid cartilage was pushed posterior so that lateral thyroid cartilages override the midline thyroid cartilage.
Even though speech therapy is the most accepted management modality in managing these patients, in extreme cases if the situation warrants a surgeon should extend his longest arm to rescue the patient
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