Staff Pathologist


  • American Board of Pathology, Anatomic and Clinical Pathology, 2007
  • American Board of Pathology, Subspecialty of Hematopathology, 2008

University Appointment

  • Clinical Assistant Professor of Pathology, University of Chicago Pritzker School of Medicine

Education and Training

  • 2003, University of Kentucky College of Medicine, MD
  • 2003-2007, Indiana University School of Medicine, Residency, Anatomic and Clinical Pathology
  • 2007-2008, Cleveland Clinic, Fellowship, Hematopathology


  • Clarke M, Ortel B, Brockstein B, Rojanapremsuk T, Victor T, Thomas A, Cibull T: Bilateral areolar leiomyomas in a patient undergoing BRAF therapy for malignant melanoma.  J Cutan Pathol 2013 Oct; 40(10):884-6.
  • Fox MD, Billings SD, Gleason BC, Thomas AB, Cibull TL: Cutaneous meningioma: a potential diagnostic pitfall in p63 positive cutaneous neoplasms.  J Cutan Pathol 2013 Oct; 40(10):891-5.
  • Kinonen CL, Gleason BC, Thomas AB, Kaul KL, Cibull TL: Dermal hypersensitivity reaction: a PCR-confirmed pattern of herpetic dermatitis.  J Cutan Pathol 2012 Oct; 39(10):929-35.
  • Kinonen CL, Watkin WG, Gleason BC, Johnson CE, Thomas AB, Cibull TL: An audit of dermatopathology requisitions: hand written vx electronic medical record data entry accuracy.  J Cutan Pathol 2012 Sep; 39(9):850-2.
  • Fox MD, Billings SD, Gleason BC, Moore J, Thomas AB, Shea CR, Victor TA, Cibull TL: Expression of MiTF may be helpful in differentiating cellular neurothekeoma from plexiform fibrohistiocytic tumor (histiocytoid predominant) in a partial biopsy specimen.  Am J Dermatopathol 2012 Apr; 34(2):157-60.
  • Kelley C, Gleason B, Fox M, Thomas A, Voctor T, Cibull T: Spindle cell lipoma with collagen rosettes.  J Cutan Pathol 2011 Sep; 38(9):756-8.
  • Bains R, Gleason BC, Thomas AB, Victor TA, Cibull TL: Cystic fibrosis transmembrane conductance regulator is helpful in the distinction of extra-mammary Paget's disease from squamous cell carcinoma in situ (Bowen's disease).  J Cutan Pathol 2011 Jul; 38(7):581-4.
  • Thakral B, Gleason BC, Thomas AB, Billings SD, Victor TA, Cibull TL: Cellular neurothekeoma with fascicular growth features mimicking cellular dermatofibroma.  Am J Dermatopathol 2011 May; 33(3):281-4.
  • Gammon BL, Gleason BC, Thomas AB, Cibull TL: Sarcomatoid renal cell carcinoma presenting in the oropharynx.  J Cutan Pathol 2010 Dec; 37(12):1255-8.
  • Fox MD, Gleason BC, Thomas AB, Victor TA, Cibull TL: Extra-acral cutaneous/soft tissue sclerosing perineurioma: an under-recognized entity in the differential of CD34-positive cutaneous neoplasms.  J Cutan Pathol 2010 Oct; 37(10):1053-6.
  • Gleason BC, Calder KB, Cibull TL, Thomas AB, Billings SD, Morgan MB, Hiatt KM, Smoller BR: Utility of p63 in the differential diagnosis of atypical fibroxanthoma and spindle cell squamous cell carcinoma.  J Cutan Pathol 2009; 36(5):543-7. 
  • Cibull TL, Thomas AB, Badve S, Billings SD: Sebaceous carcinoma of the nipple.  J Cutan Pathol 2008; 35(6):608-10.
  • Cibull TL, Thomas AB, Badve S, Billings SD: Leiomyosarcoma of the penis presenting as a cutaneous lesion.  J Cutan Pathol 2008; 35(6):585-7.
  • Cibull TL, Thomas AB, O'Malley DP, Billings SD: Myeloid leukemia cutis: a histologic and immunohistochemistry review.  J Cutan Pathol 2008; 35(2):180-5.