Page 96 - Portuguese Journal - SPORL - Vol 61. Nº2
P. 96

of the diagnosis, 55 patients had undergone       no benefits and cause anxiety to the patient.
          polysomnography  and  22  patients  were          Considering these two clinical cases and
          receiving treatment with continuous positive      the literature review, some clinical scenarios
          airway pressure (CPAP). 8                         should raise suspicion of neoplastic disease
          These two clinical cases are paradigmatic         as the cause of snoring and sleep apnea and
          examples  of  this  issue.  In  the  first  case,  the   lead to an evaluation or re-evaluation of the
          patient  had been  experiencing snoring  and      aerodigestive tract, namely: recent symptoms
          apnea for one month, as witnessed by his          in a patient with no risk factors; worsening
          spouse, with recent worsening. Pharyngeal         of symptoms without apparent cause; no
          globus  was also  reported  during  the           improvement  or  worsening  of  symptoms
          consultation. The final diagnosis was follicular   in patients undergoing ventilation therapy;
          lymphoma of the tonsil. Palatine tonsil           and symptoms suggestive of a neoplasm of
          lymphomas are the malignant neoplasms             the  aerodigestive  tract,  namely  dysphagia,
          that present the most frequently with OSAS.       dysphonia, pharyngeal globus, and weight
                                                       8
          This fact may be related to tumor growth often    loss.
          being limited by the tonsillar capsule, which
          leads to airway narrowing that is similar to that   Role of the otorhinolaryngologist
          seen in benign tonsillar hypertrophy.  In this    The  clinical cases  and  literature  review
                                               10
          case, the tumor was classified as high-grade      presented herein support the need to review
          follicular lymphoma (3B), which grows faster      the existing approach to obstructive sleep
          than most lymphomas , thus explaining the         disorders. Head and neck tumors are rarely
          relatively  rapid worsening of the symptoms.      considered as a differential diagnosis of
          Moreover,   local  or   additional   systemic     snoring and OSAS because the prevalence
          symptoms  are  often  absent  in  the  initial    of these symptoms has not been studied in
          stages  of  indolent  lymphomas  (including       patients with head and neck tumors.
          follicular lymphoma).  Fatigue is a frequently    With sleep disorders being recognized by the
                               11
          reported symptom in hematological diseases;       scientific community and patients themselves,
          however, the immediate improvement in the         it is expected that these symptoms will be
          patient’s complaints after surgery favors a       increasingly acknowledged and, consequently,
          causal relationship with the presence of OSAS.    a larger number of associated diseases
          In the second clinical case, the final diagnosis   will  be  identified.  An  adequate  diagnostic
          was squamous cell carcinoma of the tonsil,        approach to sleep disorders can facilitate
          which  is  more  frequently  of  an  infiltrative   the identification of prevalent etiologies and
          nature than lymphoma.  In this patient, fast      exclude serious associated diseases, including
                                  10
          macroscopic growth of the lesion was observed     neoplastic diseases.
          during the period between diagnostic              Assessment by sleep surgeons, including
          suspicion and surgery, which suggested            otorhinolaryngologists, is only “recommended”
          strong local aggressiveness, leading to a quick   by the American Academy of Sleep Medicine
          diagnosis.                                        for adults with OSAS and BMI < 30 who are
          None of the patients reported previous            intolerant or do not accept or adhere to
          episodes of snoring or sleep apnea and both       treatment with CPAP, and is “suggested” for
          experienced a relatively rapid and progressive    patients with a major anatomic variation of
          worsening of OSAS. With the exception of          the airway.  This approach may be insufficient
                                                                       12
          excessive weight, no other risk factors for       and exclude patients who would benefit from
          OSAS  were  identified.  Because  there  was      observation by an otorhinolaryngologist.
          complete  resolution  of the symptoms after        Polysomnography allows a formal diagnosis
          tonsillectomy, polysomnography was not            of OSAS and is becoming increasingly
          performed as it would add to the costs with       accessible.  The  efficacy  and  availability  of



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