Page 214 - SAHCS HIVMed Journal Vol 20 No 1 2019
P. 214

Page 2 of 7  Original Research


                                                                    TABLE  1:  Case  reports  of  patients  infected  with  HIV  and  presenting  with
                                                                    cavernous sinus disease.
                                              Temporal lobe         Author (year)    Relevant data    Diagnosis
                                                                    Gross et al. 12  35-year-old female  Eosinophilic granuloma
                                                                    Keane 3          3 patients       B-cell lymphoma
                                           CN III
                                                                    Kleinschmidt-Demaster et al. 13  35-year-old, unilateral mass  Leiomyosarcoma
                                                                    Blumenthal et al. 14  43-year-old male,   Leiomyosarcoma
               Pituitary gland
                                              CN IV                                  CD4 23 cells/µL
                                                                    Fernandez et al. 4  2 patients    B-cell lymphoma
                   Internal                   CNVI                  Dhillon and Shah  15  25-year-old CD4 218 cells/µL B-cell lymphoma
                caro d artery                                       Junior et al. 16  51-year-old with bilateral   Non-Hodgkin’s
                                                    V1                               lesions          lymphoma
                                                                    Meltzer et al. 17  53-year-old with   Nasopharyngeal
               Sphenoid sinus                                                        nasopharyngeal mass  carcinoma
                                                          V2        Humphrey et al. 18  47-year-old female, CD4   Aspergillosis
                                                                                     214 cells/µL
                               Sphenoid bone                        The  literature in this population consists of mainly case
                                       Caverrnous sinus             reports (Table 1). Surprisingly, tuberculosis (TB) of the
              FIGURE 1: The cavernous sinus showing cranial nerves III, IV, ophthalmic division   cavernous sinus has not been described in HIV-infected
              of V (V1) and maxillary division of V (V2) along the lateral wall of the sinus. The   patients previously. In fact, TB of the cavernous sinus is an
              VI cranial nerve lies free within the sinus. The sympathetic fibres, which enter                     5
              the cavernous sinus along the carotid artery, are not shown.   uncommon disorder even in an immunocompetent patient.
                                                                    The only infection reported is aspergillosis. Infection as an
              self-limiting inflammation (23%), while carotid aneurysms,   infrequent cause of cavernous sinus disease in HIV-infected
              carotico-cavernous fistulae, infection and other causes   patients is likely because of poor reporting or lack of
              constituted the remaining 12%. The most common tumour in   confirmatory evidence.
              this series was nasopharyngeal carcinoma (22%), followed by
              metastases (18%) and lymphoma (18%). The infectious   We undertook a retrospective analysis to highlight the
              aetiologies comprised one case of bacterial sphenoid sinusitis   pathology and challenges encountered in the diagnosis and
              and three cases of mucormycosis. In this series, there were   management of HIV-infected patients with cavernous sinus
              three patients who were HIV-infected, and all three were   disease. Non-HIV-infected patients have similar challenges,
              diagnosed with lymphoma. 3                            but despite equity in the management of HIV-infected patients,
                                                                    personal experience shows us that surgeons are more likely to
              Fernandez et al. in their series of 126 patients found the most   offer biopsies to non-HIV-infected patients for the fear of
              common cause for cavernous sinus disease to be tumours (63%),   negative outcomes post-surgery in HIV-infected patients.
              vascular lesions (20%), inflammatory conditions such as Tolosa-
              Hunt syndrome (13%) and miscellaneous causes (4%). Of the   Twenty-three HIV-infected patients with cavernous sinus
              miscellaneous causes,  only two  were  because of  infectious   lesions as their main reason for referral were recruited. Their
              aetiologies, namely, aspergillosis and thrombophlebitis from   clinical, radiological  and biochemical data were analysed.
              Haemophilus influenzae infection. Pituitary adenoma and   Problems encountered in their diagnosis and management
              meningioma were the most frequent of the tumours at 36.25%   will be highlighted.
              and  31.25%,  respectively.  In this series, two  HIV-infected
              patients formed part of the cohort – both patients were   Method
              diagnosed with lymphoma. 4
                                                                    All HIV-infected patients, from 2010 to 2016, referred to the
              In the HIV population, one would predict that the disease   neurology department of Grey’s Hospital, Pietermaritzburg,
              spectrum would coincide with the immunocompromised state   with non-traumatic cavernous sinus lesions as their main
              of the patient, and opportunistic infections and HIV-associated   presenting problem were included for analysis. The data
              neoplastic disorders would be commonly encountered.   search was done by selecting the keywords of cavernous
              However,  epidemiological  data  regarding  cavernous  sinus   sinus and HIV in hospital records and patient summaries.
              pathology in HIV-infected patients are lacking. The deep skull   Clinical, biochemical and radiological data were obtained
              base location of the cavernous sinus and the fact that most   from hospital records.  All data were captured on a
              patients are severely immunosuppressed discourage invasive   spreadsheet for descriptive statistics.  Averages and
              diagnostic procedures unless lesions are easily accessible via the   standard deviations were obtained for continuous
              paranasal sinuses. Histological confirmation is therefore scant.   quantitative data and qualitative data were represented in
              Often, the  diagnosis is based on the presence of a systemic   tables and graphs.
              disease, or patients are treated empirically for the commonly
              occurring diseases. The outcome therefore can be unpredictable   Ethical consideration
              and catastrophic at times.
                                                                    Ethical approval (BE370/15) for a retrospective analysis was
              There is no study that has specifically addressed     obtained from the University of KwaZulu-Natal biomedical
              cavernous sinus pathology in patients coinfected with HIV.   research ethics committee.

                                           http://www.sajhivmed.org.za 207  Open Access
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