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Andrew Lawrence Callen

TitleAsst Professor
InstitutionUniversity of Colorado Denver - Anschutz Medical Campus
DepartmentSOM-RAD General Operations

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Pelak VS, Krishnan V, Serva S, Pressman P, Mahmood A, Noteboom L, Bettcher BM, Sillau SH, Callen AL, Thaker AA. Lobar Microbleeds in the Posterior Cortical Atrophy Syndrome: A Comparison to Typical Alzheimer's Disease. Curr Neurol Neurosci Rep. 2024 Jan 23. PMID: 38261145.
      View in: PubMed
    2. Schwartz DA, Talbott J, Callen A, Laguna B, Narvid J, Ch'ang JH, Singh V. Classification of traumatic injury to the dural venous sinus using CT venography. J Neuroimaging. 2023 Dec 25. PMID: 38146071.
      View in: PubMed
    3. Callen AL, Fakhri M, Timpone VM, Thaker AA, Dillon WP, Shah VN. Temporal Characteristics of CSF Venous Fistulas on Dynamic Decubitus CT Myelography: A Retrospective Multi-Institution Cohort Study. AJNR Am J Neuroradiol. 2023 Dec 07. PMID: 38123910.
      View in: PubMed
    4. Callen AL, Wojcik R, Bojanowski M. A Novel Patient-Positioning Device for Dynamic CT Myelography. AJNR Am J Neuroradiol. 2023 11; 44(11):1352-1355. PMID: 37827715.
      View in: PubMed
    5. Callen AL, Jones LC, Timpone VM, Pattee J, Scoffings DJ, Butteriss D, Huynh T, Shen PY, Mamlouk MD. Factors Predictive of Treatment Success in CT-Guided Fibrin Occlusion of CSF-Venous Fistulas: A Multicenter Retrospective Cross-Sectional Study. AJNR Am J Neuroradiol. 2023 11; 44(11):1332-1338. PMID: 37798111.
      View in: PubMed
    6. Li Y, Scheffler A, Barkovich AJ, Chang T, Chu CJ, Massey SL, Abend NS, Lemmon ME, Thomas C, Numis A, Franck LS, Rogers E, Callen A, McCulloch CE, Shellhaas RA, Glass HC. Neonatal brain MRI and short-term outcomes after acute provoked seizures. J Perinatol. 2023 11; 43(11):1392-1397. PMID: 37454174.
      View in: PubMed
    7. Callen AL, Pattee J. Reply to "Statistics, Cerebrovascular Reactivity, and Prior COVID-19". AJR Am J Roentgenol. 2023 09; 221(3):399-400. PMID: 37436360.
      View in: PubMed
    8. Callen AL, Lennarson P, Carroll IR. A causative role for remote dural puncture and resultant arachnoid bleb in new daily persistent headache: A case report. Headache. 2023 Jul-Aug; 63(7):981-983. PMID: 37358488.
      View in: PubMed
    9. Timpone VM, Reid M, Jensen A, Poisson SN, Callen AL, Costa B, Trivedi PS. Association of Incomplete Neurovascular Imaging After Emergency Department Encounters for Transient Ischemic Attack and Odds of Subsequent Stroke: A National Medicare Analysis. AJR Am J Roentgenol. 2023 Nov; 221(5):673-686. PMID: 37255044.
      View in: PubMed
    10. Callen AL, Dillon WP, Shah VN. Correction to: Unusual neuroimaging findings in spontaneous intracranial hypotension. Neuroradiology. 2023 May; 65(5):883. PMID: 36899095.
      View in: PubMed
    11. Callen AL, Pattee J, Thaker AA, Timpone VM, Zander DA, Turner R, Birlea M, Wilhour D, O'Brien C, Evan J, Grassia F, Carroll IR. Relationship of Bern Score, Spinal Elastance, and Opening Pressure in Patients With Spontaneous Intracranial Hypotension. Neurology. 2023 05 30; 100(22):e2237-e2246. PMID: 37015821.
      View in: PubMed
    12. Zander DA, Gursahaney DL, Oliver C, Callen AL, Potigailo VL. CT and MR Imaging Appearance of the Pedicled Submandibular Gland Flap: A Potential Imaging Pitfall in the Posttreatment Head and Neck. AJNR Am J Neuroradiol. 2023 04; 44(4):481-485. PMID: 36927762.
      View in: PubMed
    13. Turner RA, Zander D, Thaker AA, Timpone VM, Callen AL. Structured Reporting for Findings of Spontaneous Intracranial Hypotension on Brain MRI. AJR Am J Roentgenol. 2023 08; 221(2):282-283. PMID: 36919883.
      View in: PubMed
    14. George E, Callen AL, Glastonbury CM. Atypical thrombophlebitis patterns in head and neck infections. Neuroradiol J. 2023 Dec; 36(6):760-765. PMID: 36912438.
      View in: PubMed
    15. Callen AL, Dillon WP, Shah VN. Unusual neuroimaging findings in spontaneous intracranial hypotension. Neuroradiology. 2023 May; 65(5):875-882. PMID: 36879063.
      View in: PubMed
    16. Carroll I, Callen A. Phase Contrast Spine MRI for the Evaluation of CSF Leak, and Why It Matters. Neurology. 2023 02 14; 100(7):313-314. PMID: 36357186.
      View in: PubMed
    17. Callen AL, Tanabe J, Thaker AA, Pollard R, Sauer B, Jones W, Pattee J, Steach B, Timpone VM. Evaluation of Cerebrovascular Reactivity and Vessel Wall Imaging in Patients With Prior COVID-19: A Prospective Case-Control MRI Study. AJR Am J Roentgenol. 2023 Feb; 220(2):257-264. PMID: 36000667.
      View in: PubMed
    18. Bhaumik D, Bhaumik SS, Thaker AA, Timpone VM, Bills CB, Patten L, Pattee J, Chow D, Sugrue LP, Callen AL. Ordering Characteristics Predictive of Noncontrast CT Head Positivity in the Emergency Department. Acad Radiol. 2023 03; 30(3):492-498. PMID: 35654657.
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    19. Callen AL, Timpone VM, Schwertner A, Zander D, Grassia F, Lennarson P, Seinfeld J, Lillehei KO, Birlea M, Thaker AA. Algorithmic Multimodality Approach to Diagnosis and Treatment of Spinal CSF Leak and Venous Fistula in Patients With Spontaneous Intracranial Hypotension. AJR Am J Roentgenol. 2022 08; 219(2):292-301. PMID: 35261281.
      View in: PubMed
    20. Chow FC, Callen A, Arechiga V, Saloner D, Narvid J, Hsue PY. Intracranial vascular imaging detects arterial wall abnormalities in persons with treated HIV infection. AIDS. 2022 01 01; 36(1):69-73. PMID: 34482351.
      View in: PubMed
    21. Callen AL. Invited Commentary: Advancing the Field of Transgender Radiology. Radiographics. 2022 Jan-Feb; 42(1):E23-E24. PMID: 34990333.
      View in: PubMed
    22. Nelson KA, Thaker AA, Callen AL, Albach E, Timpone VM. New-onset seizures in adults: Low diagnostic yield of gadolinium contrast in initial brain MRI evaluation. J Neuroimaging. 2021 09; 31(5):874-878. PMID: 34110667.
      View in: PubMed
    23. Raban D, Barhaghi K, Timpone V, Jones W, Sauer B, Pollard R, Callen A. COVID-19 associated intracranial vasculopathy-MRI vessel wall imaging as adjunct to emergent CT angiography-a case report. Emerg Radiol. 2021 Oct; 28(5):887-890. PMID: 34037875.
      View in: PubMed
    24. Callen A, Narvid J, Chen X, Gregath T, Meisel K. Neurovascular disease, diagnosis, and therapy: Cervical and intracranial atherosclerosis, vasculitis, and vasculopathy. Handb Clin Neurol. 2021; 176:249-266. PMID: 33272399.
      View in: PubMed
    25. Callen AL, Badiee RK, Phelps A, Potigailo V, Wang E, Lee S, Talbott J, Glastonbury C, Pomerantz JH, Narvid J. Facial Feminization Surgery: Key CT Findings for Preoperative Planning and Postoperative Evaluation. AJR Am J Roentgenol. 2020 Dec 30. PMID: 33377414.
      View in: PubMed
    26. Callen AL, Badiee RK, Phelps A, Potigailo V, Wang E, Lee S, Talbott J, Glastonbury C, Pomerantz JH, Narvid J. Facial Feminization Surgery: Key CT Findings for Preoperative Planning and Postoperative Evaluation. AJR Am J Roentgenol. 2021 09; 217(3):709-717. PMID: 33377802.
      View in: PubMed
    27. Raper DMS, Rutledge WC, Winkler EA, Meisel K, Callen AL, Cooke DL, Abla AA. Controversies and Advances in Adult Intracranial Bypass Surgery in 2020. Oper Neurosurg (Hagerstown). 2020 12 15; 20(1):1-7. PMID: 32895706.
      View in: PubMed
    28. Caton MT, Callen AL, Copelan AZ, Narsinh KH, Smith ER, Amans MR. Jugular Venous Reflux Can Mimic Posterior Fossa Dural Arteriovenous Fistulas on MRI-MRA. AJR Am J Roentgenol. 2021 06; 216(6):1626-1633. PMID: 32876481.
      View in: PubMed
    29. Callen AL, Caton MT, Rutledge C, Raper D, Narvid J, Villanueva-Meyer JE, Abla A. The Effect of Extracranial-to-Intracranial Bypass on Cerebral Vasoreactivity: A 4D Flow MRI Pilot Study. J Neuroimaging. 2020 09; 30(5):587-592. PMID: 32862480.
      View in: PubMed
    30. Callen AL, Dupont SM, Price A, Laguna B, McCoy D, Do B, Talbott J, Kohli M, Narvid J. Between Always and Never: Evaluating Uncertainty in Radiology Reports Using Natural Language Processing. J Digit Imaging. 2020 10; 33(5):1194-1201. PMID: 32813098.
      View in: PubMed
    31. Callen AL, Dupont SM, Pyne J, Talbott J, Tien P, Calabrese E, Saloner D, Chow FC, Narvid J. The regional pattern of abnormal cerebrovascular reactivity in HIV-infected, virally suppressed women. J Neurovirol. 2020 10; 26(5):734-742. PMID: 32500476.
      View in: PubMed
    32. Callen AL, Chow DS, Chen YA, Richelle HR, Pao J, Bardis M, Weinberg BD, Hess CP, Sugrue LP. Predictive Value of Noncontrast Head CT with Negative Findings in the Emergency Department Setting. AJNR Am J Neuroradiol. 2020 02; 41(2):213-218. PMID: 31974080.
      View in: PubMed
    33. Callen AL, Lobach I, Mesina O, Marcus S, Joe BN, Sickles EA, Greenwood HI. The Gambler's Fallacy in Screening Mammography. J Am Coll Radiol. 2019 Jun; 16(6):830-833. PMID: 30611683.
      View in: PubMed
    34. Narvid J, McCoy D, Dupont SM, Callen A, Tosun D, Hellmuth J, Valcour V. Abnormal Cerebral Perfusion Profile in Older Adults with HIV-Associated Neurocognitive Disorder: Discriminative Power of Arterial Spin-Labeling. AJNR Am J Neuroradiol. 2018 12; 39(12):2211-2217. PMID: 30467218.
      View in: PubMed
    35. Narvid J, Callen A, Talbott J, Uzelac A, Dupont SM, Chow F, Price RW, Rehani B. Brain MRI Features of CSF Human Immunodeficiency Virus Escape. J Neuroimaging. 2018 11; 28(6):601-607. PMID: 30079471.
      View in: PubMed
    36. Phelps A, Callen AL, Marcovici P, Naeger DM, Mongan J, Webb EM. Can Radiologists Learn From Airport Baggage Screening?: A Survey About Using Fictional Patients for Quality Assurance. Acad Radiol. 2018 02; 25(2):226-234. PMID: 29122472.
      View in: PubMed
    37. Feld Z, Rowen T, Callen A, Goldstein R, Poder L. Uterine artery pseudoaneurysm in the setting of deep endometriosis: an uncommon cause of hemoperitoneum in pregnancy. Emerg Radiol. 2018 Feb; 25(1):107-110. PMID: 28986709.
      View in: PubMed
    38. Coppolino M, Avins AL, Callen A, Sumner W. Quantifying Worry in the Face of Uncertainty: Radiation Exposure from Medical Imaging. J Med Imaging Radiat Sci. 2017 Mar; 48(1):16-21. PMID: 31047204.
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    39. Callen AL, Illangasekare T, Poder L. Massive ovarian edema, due to adjacent appendicitis. Emerg Radiol. 2017 Apr; 24(2):215-218. PMID: 27586353.
      View in: PubMed
    40. Wong SK, Barkovich AJ, Callen AL, Filly RA. Supratentorial abnormalities in the Chiari II malformation, III: The interhemispheric cyst. J Ultrasound Med. 2009 Aug; 28(8):999-1006. PMID: 19643781.
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    41. Callen AL, Stengel JW, Filly RA. Supratentorial abnormalities in the Chiari II malformation, II: tectal morphologic changes. J Ultrasound Med. 2009 Jan; 28(1):29-35. PMID: 19106353.
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    42. Yuh EL, Gean AD, Manley GT, Callen AL, Wintermark M. Computer-aided assessment of head computed tomography (CT) studies in patients with suspected traumatic brain injury. J Neurotrauma. 2008 Oct; 25(10):1163-72. PMID: 18986221.
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    43. Callen AL, Filly RA. Supratentorial abnormalities in the Chiari II malformation, I: the ventricular "point". J Ultrasound Med. 2008 Jan; 27(1):33-8. PMID: 18096728.
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    44. Callen PW, Callen AL, Glenn OA, Toi A. Columns of the fornix, not to be mistaken for the cavum septi pellucidi on prenatal sonography. J Ultrasound Med. 2008 Jan; 27(1):25-31. PMID: 18096727.
      View in: PubMed
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