Asram.in
Indian J Otolaryngol Head Neck Surg
Adenoid Hypertrophy in Adults: A case Series
Manas Ranjan Rout • Diganta Mohanty •Y. Vijaylaxmi • Kamlesh Bobba • Chakradhar Metta
Received: 5 March 2012 / Accepted: 11 March 2012Ó Association of Otolaryngologists of India 2012
Adenoid hypertrophy is common in children.
adenoid hypertrophy should be treated seriously to exclude
Size of the adenoid increases up to the age of 6 years, then
the dangerous causes.
slowly atrophies and completely disappears at the age of16 years. Adenoid hypertrophy in adults is rare. Present
Waldeyer's Ring Tonsillectomy
study shows that adenoid hypertrophy is now increasing in
Adenoidectomy Rhinoscopy
adults because of various causes. Study has been conductedin the Department of ENT and Head & Neck Surgery, AlluriSitarama Raju Academy of Medical science, Eluru, Andhra
Pradesh, India. Study shows that incidence of adenoidhypertrophy is increasing as the cause of nasal obstruction in
Adenoid is the condensation of lymphoid tissue at the back
adults. This study identified the different causes of adenoid
of nose or on the postrosuperior wall of nasopharynx.
hypertrophy in adult patients. The common causes of ade-
Adenoid is the part of Waldeyer's Ring. It appears to have
noid hypertrophy in adults are chronic infection and allergy.
an important role in the development of an ‘immunological
Pollution and smoking are also important predisposing fac-
memory' in younger children Adenoids hypertrophy
tors. Sometimes it is also associated with sinonasal malig-
occurs physiologically in children between the age of
nancy, lymphoma and HIV infection. Study shows that 21 %
6–10 years, then atrophy at the age of 16 years
of adult nasal obstruction is due to adenoid Revised Proof
Adenoid enlargement is uncommon in adults and
in case of the patient with chronic tonsillitis only 9 % were
because examination of the nasopharynx by indirect pos-
associated with adenoid hypertrophy. Males are more com-
terior rhinoscopy is inadequate, many cases of enlarged
monly involved (70 %) then female, may be because of out
adenoid in adults are misdiagnosed and accordingly mal-
door activities and more commonly exposed to pollutants.
treated Presence of lymphoid hyperplasia in the adult
And most commonly involved age group is 16–25 years
nasopharynx, including the persistence of childhood ade-
(60 %). Majority of the cases with adenoid hypertrophy are
noids is associated with chronic inflammation. Regressed
associated with infection and allergy i.e. descending infec-
adenoidal tissue may re-proliferate in response to infec-
tion in 33.3 % cases, ascending infection in 20 % cases and
tions and irritants.
allergic rhinitis in 30 % cases. Association of malignant
Adenoid Hypertrophy in adults may be due to compro-
sinonasal tumors, non Hodgkin's lymphoma and HIV
mised immunity, especially those receiving organ trans-
infections are rare i.e. 3.3 % each. So any cases of adult
plants and those having human immunodeficiency virus(HIV) infection.
Enlarged adenoids can become nearly the size of a ping
M. R. Rout (&) D. Mohanty Y. Vijaylaxmi
pong ball and completely block airflow through the nasal
K. Bobba C. Metta
passages. Even if enlarged adenoids are not substantial
Department of ENT and Head & Neck Surgery, ASRAM
enough to physically block the back of the nose, they can
Medical College, Eluru, W. G District, Andhra Pradesh
obstruct airflow enough so that breathing through the nose
534005, Indiae-mail:
[email protected]
requires an uncomfortable amount of work and occurs
Indian J Otolaryngol Head Neck Surg
through an open mouth. Adenoids can also obstruct the
Pregnancy and breast feeding
nasal airway enough to affect the voice without completely
Throat complaint not related to tonsillitis.
stopping nasal airflow.
Present study is a series of adult patients' age more then
Procedure and Technique
16 years having enlarged adenoid mass in the nasopharynx,some are isolated and some associated with chronic tonsillitis.
First of all, the patients attending ENT out patient depart-
We have tried to find out the causes of the enlarged adenoid.
ment were divided into two categories.
Different symptomatologies are reviewed. Here also we have
First category having patients complaining of nasal
given emphasis on the management of these atypical cases.
obstruction and it may be unilateral, bilateral, continuousor intermittent. History of those patient were taken thor-oughly regarding other symptoms like sneezing, rhinor-
Materials and Methods
rhoea, itching of the nose, headache, fever, loss of smell,cough etc. Relevant past history and family history were
also taken into consideration. This was followed by detailclinical examination including both general and local
This was a 2 years prospective study of 200 adult patients,
examination. Anterior rhinoscopy was useful to detect
all aged more than 16 years. Out of those, 100 patients
deviated nasal septum, septal spur, hypertrophic turbinates,
having complaint of nasal obstruction were reviewed. Rest
nasal polyp, foreign body, rhinolith etc. Posterior rhinos-
100 patients planned for tonsillectomy were screened for
copy was possible only in few cases to examine the
nasopharynx thoroughly. So most of the cases, it was not somuch informative regarding adenoid hypertrophy and nasal
obstruction. All the routine investigations were doneincluding test for HIV infection. Investigations like X-ray
This was a hospital based study conducted in the Department
PNS water's view, X-ray nasopharynx lateral view and
of ENT and Head & Neck Surgery, Alluri Sitarama Raju
nasal endoscopy were done routinely in all the cases. X-ray
Academy of Medical science, Eluru, Andhra Pradesh, India.
nasopharynx was obtained in an erect position with theneck extended and the mouth opened in order to visualize
the shadow of the adenoid. The palatal airway was evalu-ated as described by Bitar []. The degree of nasopharyn-
February 2010–January 2012
geal obstruction was determined by assessing the ratio ofadenoid shadow diameter to the nasopharyngeal diameter.
Sampling Criteria
Mild if 50 % of the palatal airway was obstructed,moderate if [50 % was obstructed but not up to 100 % and
All the adult patients aged more than 16 years with adenoid
severe if there was complete nasopharyngeal obstruction
hypertrophy were taken into study. In
this study 30 adult
and no air column was seen on the post nasal space. Some
patients having adenoid hypertrophy were found out by
cases were reviewed with CT scan. CT scan gives much
screening 100 adult patients having nasal obstruction and
clearer picture of adenoid and nasopharyngeal space, but
100 patients planed for tonsillectomy. These 30 patients
more important is the nature of the tumor such as extension
were evaluated and studied.
and bone destruction, which implies a malignant tumour.
More over CT scan is also useful to diagnose chronic
Inclusion Criteria's
sinusitis. If adenoid or adenoid like masses were found inthe nasopharynx, then our next step was endoscope guided
Patient giving consent for study on him or her.
punch biopsy and sending the mass for histopathological
Patient willing for all the required investigations
study. In all the cases of adenoid enlargement, we were
Patient coming for regular follow up
sending the throat swab for culture and sensitivity test and
Age of the patient should be more than 16 years
antibiotics were started accordingly. As well as all cases
Patients having enlarged adenoid on investigations
were tested for allergy by blood differential count of leu-cocytes, absolute eosinofil count, nasal smear for eosinofil
Exclusion Criteria's
and serum Ig E level.
And after conformation of mass, adenoidectomy were
Patient not giving consent for the study on him or her
performed and the mass were again sent for histopa-
Patient not coming for regular follow up
thological study. In case of simple adenoid mass,
Indian J Otolaryngol Head Neck Surg
adenoidectomy was the treatment of choice and response
obstruction is 21 %. Those 21 patients of adenoid hyper-
was very good.
trophy were taken from this category for study.
Second category of the patients was having symptoms
Table showed the sex distribution of the patients diag-
like throat pain, dysphagia, foreign body sensation of
nosed as chronic tonsillitis and planned for surgery. Out of 100
throat, recurrent attacks of fever and throat pain. By proper
adult patients 91 patients were having only tonsilar enlarge-
history taking and thorough clinical examination these
ment without adenoid hypertrophy (male—51, female—40)
patients were diagnosed as chronic tonsillitis. Tonsilar
and only 9 patients were having adenoid hypertrophy along
enlargements were graded as per Brodsky grading method
with tonsilar enlargement (male—7, female—2). So preva-
[]. Grade 1? means tonsils were completely in the tons-
lence of adenoid hypertrophy is 9 % in adult tonsillitis. Those
ilar fossa and rarely seen behind the anterior pillars. Grade
9 patients with adenotonsillitis were taken into study.
2? means tonsils were visible behind the anterior pillars.
Out of above two categories total 30 adult patients were
Grade 3? means tonsils extended 3/4th of the way to
found to have adenoid hypertrophy and considered for
midline. Grade 4? means tonsils were touching each other
study. Table showed the age and sex distribution of the
and completely obstructing the airway. Then all the
patents with adenoid hypertrophy. Out of 30 patients 21
investigations mentioned in first category were performed
were male and 9 were female. Most commonly involved
to find out adenoids. Those patients having adenoid
age group was 16–25 years i.e. 18 patients (male—12,
hypertrophy, both adenoidectomy and tonsillectomy were
female—6), then 26–35 years i.e. 8 patients (male—6,
done and the adenoid masses were sent for histopatholo-
female—2) and least common was from 36 to 45 years i.e.
gical study. Rest of the patients were undergone only
4 patients (male—3, female—1). So it showed that males
are more commonly involved than female.
Now the patients of both the categories having adenoid
As per habitat distribution 26 patients out of 30 were
enlargement were studied.
from urban areas and only 4 patients were from rural areas.
On observing the occupation of the patients it was found
that majorities were working in the road side (10 patients),
Results and Observation
factories (8 patients) and doing agriculture (4 patients).
This implies that pollution may be an important factor in
In this study first category of patients having nasal
development of adenoid hypertrophy. It also showed that
obstruction were reviewed. Table showed the causes of
persons working in AC office room are more prone to
nasal obstruction in these patients. Out of 100 patients 60
develop the disease in comparison to patient working in
were male and 40 were female. Most common pathology in
open office room. But this is not conclusive because of less
this category was found to be deviated nasal septum and/or
sample size and further study is required for this.
septal spur i.e. 45 cases and next common group was theadenoid hypertrophy i.e. 21 cases (male—15 and female—6). Other causes were inferior turbinate hypertrophy (14cases), nasal polyp (6 cases), allergic rhi Revised Proof
nitis (11 cases),
Table 2 Sex distribution of patient with chronic tonsillitis and ade-noiditis (n = 100)
rhinolith (1 case), nasal tumor (1 case) and atrophic rhinitis(1 case).So prevalence of adenoid hypertrophy in nasal
Only chronic tonsillitis
Chronic tonsillitis with
Table 1 Causes of nasal obstruction (n = 100)
Table 3 Age and sex distribution of the patients with adenoid
hypertrophy (n = 30)
Atrophic rhinitis
Allergic rhinitis
Adenoid hypertrophy
a Inferior turbinate hypertrophy
Indian J Otolaryngol Head Neck Surg
By using above all diagnostic methods we had tried to
identify the predisposing factors for adenoid hypertrophy inthese 30 adult patients. Out of 21 male patients 10 mem-bers and out of 9 female patients 2 members are having thehabits of smoking. Table
Table showed the predisposing factors for adenoid
hypertrophy in our series. Commonest factor here wasthe descending infections like chronic sinusitis, rhinitisand otitis media i.e. in 10 patients (male—7, female—3).
Next common cause was allergic rhinitis i.e. in 9 patients(male—7, female—2).One more important cause was theascending infection from tonsil, pharynx and teeth i.e. in6 patients (male—3, female—3).Rare factors associatedwith adenoid hypertrophy in our series were nasal polypand benign tumors (2 patients), non Hodgkin's lymphoma
Fig. 1 Hypertrophied adenoid
(1 male patient), malignant sinonasal tumour (1 malepatient) and HIV infection was associated finding in onemale case. Therefore common causes of adenoid hyper-
trophy in adult patients may be due to either chronicinfection or allergy. Less commonly but more impor-
Adenoid is the condensation of lymphoid tissue at the back
tantly it may be associated with the malignant diseases of
of nose or on the posterosuperior wall of nasopharynx.
nose and paranasal sinuses and sometimes lymphomas
Santorini described the nasopharyngeal lymphoid aggre-
gate or ‘Lushka's tonsil' in 1724. Wilhelm coined the termadenoid to apply to what he described as ‘nasopharyngealvegetations' in 1870.
The adenoid, along with the tonsils at the back of the
mouth and tonsilar tissue at the base of the tongue form a
Table 4 Occupation of the patients (n = 30)
ring of tissue (Waldeyer's ring) that assists in preventing
bacteria, viruses, and toxins from entering the body. Theadenoid and the tonsilar tissues are largely composed of a
group of blood cells termed B lymphocytes, which make
antibody. This antibody binds bacteria, viruses, and other
toxins and inactivates them, thus keeping them away from
entering into the body and causing disease. Unlike the
a Air conditioned
tonsils which can be seen by looking directly through the
mouth, the adenoid is positioned at the backmost part of the
nasal cavity and up behind the soft palate. The adenoid,like tonsilar tissue, can be involved with both acute and
Table 5 Predisposing factors for adult adenoid hypertrophy (n = 30)
Descending infection like chronic
sinusitis, rhinitis and otitis media
Allergic rhinitis
Ascending infection like chronic tonsillitis,
pharyngitis and dental infection
Polyp and benign tumour
Malignant sinonasal tumour
Non Hodgkin's lymphoma
Indian J Otolaryngol Head Neck Surg
chronic infections. With ongoing infection or inflamma-
There were, however, significant differences in otitis media
tion, the adenoid can progressively enlarge. Since it sits at
rate, with effusion and dullness, and retraction in the ear-
the backmost part of the nasal cavity, its main symptoms
drum both more prevalent in childhood adenoid hypertro-
affect nasal function.
phy. Adult adenoid hypertrophy was associated with nasal
Adenoid appears to have an important role in the
septum deviation in 25.0 % of patients (45 % in our series).
development of an ‘immunological memory' in younger
Histopathological features of adenoidal lymphoid tissue
children. Removal of the adenoid at a young age may be
were dissimilar in the two groups: numerous lymph folli-
immunologically undesirable but there appears to be no
cles with prominent germinal centres were the chief finding
decrease in IgE levels after adenoidectomy Adenoid
in childhood adenoids, whereas adult adenoids showed
hypertrophy, physiologically in children between the ages
chronic inflammatory cell infiltration and secondary chan-
of 6 and 10 years, then atrophies at the age of 16 years
ges (e.g. squamous metaplasia). These results underline the
Age related changes assessed by CT, MRI and positron
importance of considering adenoid hypertrophy as a cause
emission scan (PET) also demonstrated a significant
or contributing factor in nasal obstruction and related
decrease in the size of adenoids with aging. Although
pathologies in adults and support the theory that it repre-
adenoid tissue undergoes regression toward the adolescent
sents a long-standing inflammatory process rather than
period but Adenoid hypertrophy is also seen in the
being a novel clinical entity.
normal adult population []. Adenoid enlargement is
Head and neck manifestations of acquired immunode-
uncommon in adults and because examination of the
ficiency syndrome (AIDS) are among the most common
nasopharynx by indirect posterior rhinoscopy is inade-
complications of this disease. Some of these manifestations
quate, many cases of enlarged adenoid in adults are mis-
are the initial signs of HIV infection, and others are asso-
diagnosed and accordingly maltreated [].
ciated with full-blown AIDS. Adenoid hypertrophy can be
Although the cause of adenoid hypertrophy is not
a presentation of HIV infection [
exactly known but certain reasons have been proposed.
In studies where they have been compared to more
Presence of lymphoid hyperplasia in the adult nasophar-
normal-sized adenoids, a chronic infection with Hemo-
ynx, including the persistence of childhood adenoids is
philus influenza, normal bacteria of the upper respiratory
associated with chronic inflammation Regressed ade-
tract, has been identified. The adenoid can also hypertrophy
noidal tissue may re-proliferate in response to infections
from chronic irritation from infected or inflamed nasal
and irritants [Finkelstein et al. [reported the
secretions being swept back over it. There may be some
presence of obstructive adenoids in 30 % of heavy smokers
adenoidal enlargement occurring with chronic allergic
but in another study percentage of smokers was not sig-
states. Adenoidal hyperplasia in adults is quite rare. If it is
nificantly higher than in males of the same age ]. In our
identified, malignancies of the type B white blood cell
study 12 members were having history of smoking (10
(lymphoma plasmacytoma) or HIV must be considered. In
male, 2 female).
our series Allergy was associated with 30 % of the adenoid
In a study by Hamdan et al. ] prevalence of adenoid
hypertrophy in adult. HIV infection was associated with 3.3
hypertrophy in adults with nasal obst
ruction approached
% cases and non Hodgkin's and other sinonasal malig-
63.6 % in patients with nasal obstruction and 55.1 in the
nancy was associated with 3.3 % cases each. Descending
control group (p = 0.007). In our study the prevalence of
infection is responsible for 33.3 % cases of adenoid
adenoid hypertrophy in patients with nasal obstruction is
hypertrophy where as ascending infection is responsible for
There are various clinical features associated with ade-
Long-term adenoidal enlargement can lead to ear dis-
noid hypertrophy. All patients have nasal obstruction
ease and chronic mouth-breathing. There is some concern
which may result in oral breathing, recurrent nasal
that chronic mouth-breathing in children may result in
infection and hypo nasal speech. Higher percentage of
elongation of the middle part of the face and a narrow,
children with Adenoid Hypertrophy was reported to suffer
high-arched palate that can result in orthodontic abnor-
from snoring compared with adults
malities. Undiagnosed obstructive sleep apnea may cause
A study conducted by Yaldrim et al. [] in 2008 showed
pulmonary hypertension, poor mental alertness, and
etiology and pathological characteristics of adult and
hypertrophy of the right side of the heart.
childhood adenoid hypertrophy (AH). Clinical and mor-
If the adenoidal enlargement is fairly acute, it will often
phological features and accompanying otolaryngological
respond to antibiotics and oral steroids. In some individuals
pathologies were recorded in 40 adults and 23 children
a big adenoid can be reduced by long term nasal steroid
undergoing adenoidectomy for obstructive adenoid hyper-
sprays. In those who do not respond to these forms of
trophy. Both adenoid hypertrophy forms were similar in
medical management, surgery is often employed. In a study
terms of symptomatologies and associated inflammations.
by Demirhan et al. in 2010 showed that 76 % patients
Indian J Otolaryngol Head Neck Surg
having adenoid hypertrophy, surgery was eliminated by
depends upon early diagnosis and treatment these should
using fluticasone propionate nasal drop.
not be neglected.
If the adenoid is acutely enlarged and responds well to
So early identification of adults with adenoid hypertro-
antibiotic and steroid therapy, then it will return to a
phy should be considered for early management.
smaller size, with lessening of the amount of nasalobstruction. However, if the adenoid re-enlarges and re-creates the symptoms, surgery would then be necessary.
Typically those individuals who have required adenoidec-
tomy have an improvement in eustachian tube function and
1. Wysocka J, Hassmann E, Lipska A, Musiatowicz M (2003) Naı¨ve
lessening of their nasal obstruction and excessive nasal
and memory T cells in hypertrophied adenoids in children
discharge; and in those children who have had their ade-
according to age. Int J Pediatr Otorhinolaryngol 67:237–241
noid removed for chronic sinus disease, 25 % of them will
2. Yildrim N, Sahan M, Karsliglu Y (2008) Adenoid hypertrophy in
have their sinus disease resolve.
adults: clinical and morphological characteristics. J Int Med Res36:157–162
In adult, adenoid hypertrophy can be very dangerous as
3. Kamel RH, Ishak EA (1990) Enlarged adenoid and adenoidec-
it is associated with lymphoma and other malignancy and
tomy in adults: endoscopic approach and histopathological study.
sometimes with HIV infection. With early treatment
J Laryngol Otol 104:965–967
prognosis may be good. So any case of adult adenoid
4. Bitar MA, Rahi A, Khalifeh M, Madanat LM (2006) A suggested
clinical score to predict the severity of adenoid obstruction in
hypertrophy should not be neglected.
children. Eur Arch Otorhinolaryngol 263:924–928
5. Brodsky L (1989) Modern assessment of tonsils and adenoids.
Pediatr Clin North Am 36:1551–1569
6. Brandtezaeg P (2003) Immunology of the tonsils and adenoids:
everything the ENT surgeon needs to know. Int J PediatrOtorhinolaryngol 67:69–76
In conclusion adenoid hypertrophy is common and a nor-
7. Modrzynski M, Zawisza E, Rapiejko P (2003) Serum immuno-
mal finding in children. And it is an uncommon finding in
globulin E levels in relation to Waldeyer's ring surgery. Przegl
adults. Now the incidence of adult adenoid hypertrophy is
8. Yuce I, Somdas M, Ketenci I, Caqli S, Unlu Y (2007) Adenoidal
increasing because of allergy, chronic infection and
vegetation in adults: an evaluation of 100 cases. Kulak Burun
malignancy. Pollution is thought to be a predisposing
Boqaz Ihtis Derg 17(3):130–132
factor. It is also found associated with HIV infection which
9. Minnigerode B, Blass K (1974) Persistent adenoid hypertrophy
is now increasing through out the world.
22:347–349 [in German]
Study shows that 21 % of adult nasal obstruction is due
10. Frenkiel S, Black MJ, Small P (1980) Persistent adenoid pre-
to adenoid hypertrophy. But in case of the patient with
senting as a nasopharyngeal mass. J Otolaryngol 9:357–360
chronic tonsillitis only 9 % were associated with adenoid
11. Finkelstein Y, Malik Z, Kopolovic J et al (1997) Characterization
hypertrophy. Males are more commonly involved (70 %)
then female may be because of out door activities and more
12. Barcin C, Tapan S, Kursakloglu H et al (2005) Tu¨rkiye!de
commonly exposed to pollutants. And Revised Proof
sag¢likli genc¸ eris¸kinlerde koroner risk fakto¨rlerinin incelenm-
involved age group is 16–25 years (60 %). Majority of the
esi: Kesitsel bir analiz. Tu¨rk Kardiyoloji Dern Ars 33:96–103
cases with adenoid hypertrophy are associated with infec-
13. Hamdan AL, Sabra O, Hadi U (2008) Prevalence of adenoid
hypertrophy in adult with nasal obstruction. J Otolaryngol Head
tion and allergy i.e. descending infection in 33.3 % cases,
Neck Surg 37(4):469–473
ascending infection in 20 % cases and allergic rhinitis in
14. Moazzez AH, Alvi A (1998) Head and neck manifestations of
AIDS in adults. Am Fam Physician 57(8):1813–1822
Association of malignant sinonasal tumors, non Hodg-
15. Demirhan H et al (2010) Medical treatment of adenoid hyper-
trophy with fluticasone propionate nasal drop. Int J Pediatr
kin's lymphoma and HIV infections are rare i.e. 3.3 %
each. Still as these are dangerous conditions and prognosis
Source: http://www.asram.in/asram_medicalcollege/results/12070_2012_549_OnlinePDF.pdf
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