{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T04:57:36Z","timestamp":1770353856237,"version":"3.49.0"},"reference-count":60,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","license":[{"start":{"date-parts":[[2021,8,2]],"date-time":"2021-08-02T00:00:00Z","timestamp":1627862400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,8,2]]},"abstract":"<jats:sec>\n                    <jats:title>BACKGROUND<\/jats:title>\n                    <jats:p>Paragangliomas (PGLs) are rare neoplasms that may be associated with hereditary PGL syndromes and variable risk of metastasis. Middle ear adenomas are extremely rare tumors with no known hereditary predisposition and extremely low risk of metastasis. Although often easily differentiated, they may share clinical and pathological features that misdirect and confuse the diagnosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>OBSERVATIONS<\/jats:title>\n                    <jats:p>The authors discussed a 35-year-old woman with left-sided hearing loss and bleeding from the external ear canal who presented to an outside hospital. She underwent resection of a middle ear and mastoid mass, initially diagnosed as a middle ear adenoma with neuroendocrine features, with later mastoidectomy and ligation of the sigmoid sinus with microsurgical excision of persistent tumor in the jugular foramen and temporal bone. Histopathologically, her tumor was vascular, composed of benign-appearing epithelioid cells with \u201csalt and pepper\u201d neuroendocrine chromatin arranged in vague nests. Lesional cells were GATA3-immunopositive, glucagon-negative, and succinate dehydrogenase-immunonegative, consistent with PGL rather than middle ear adenoma, and required further workup for hereditary PGL syndromes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>LESSONS<\/jats:title>\n                    <jats:p>This case demonstrates potential challenges in differentiating a PGL from a middle ear adenoma. The authors offer clinical, histopathological, and imaging principles to aid in diagnosis and workup.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/case21307","type":"journal-article","created":{"date-parts":[[2021,8,2]],"date-time":"2021-08-02T09:30:06Z","timestamp":1627896606000},"source":"Crossref","is-referenced-by-count":4,"title":["Clinical and histopathological principles for the diagnosis of a recurrent paraganglioma of the jugular foramen initially diagnosed as a middle ear adenoma: illustrative case"],"prefix":"10.3171","volume":"2","author":[{"given":"Jeffrey M.","family":"Breton","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, Massachusetts; and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Knarik","family":"Arkun","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, Massachusetts; and"},{"name":"Departments of Pathology and Laboratory Medicine and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arthur S.","family":"Tischler","sequence":"additional","affiliation":[{"name":"Departments of Pathology and Laboratory Medicine and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adnan S.","family":"Qamar","sequence":"additional","affiliation":[{"name":"Departments of Pathology and Laboratory Medicine and"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonathan S.","family":"Sillman","sequence":"additional","affiliation":[{"name":"Otolaryngology, Tufts Medical Center, Boston, Massachusetts"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carl B.","family":"Heilman","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, Massachusetts; and"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1754","reference":[{"issue":"1","key":"b1","series-title":"Cancer Imaging","doi-asserted-by":"publisher","first-page":"22","DOI":"10.1186\/s40644-016-0084-2","article-title":"(68)Ga-DOTATATE and (18)F-FDG PET\/CT in paraganglioma and pheochromocytoma: utility, patterns and heterogeneity","volume":"16","author":"Chang CA","year":"2016","unstructured":"Chang CA, Pattison DA, Tothill RW,  (68)Ga-DOTATATE and (18)F-FDG PET\/CT in paraganglioma and pheochromocytoma: utility, patterns and heterogeneity. 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