October 2019 — Cytogenetics

A 61-year-old male developed flu-like symptoms with persistent cough. He had an episode of hemoptysis and presented for evaluation in the clinic. A chest x-ray showed a left lower lobe consolidation. A chest computed tomography (CT) scan revealed an 8.5 cm left lower lobe mass which was biopsied via bronchoscopy (Figure 1A). In addition to other ancillary testing, conventional chromosome analysis was performed which revealed the following modal karyotype: 44-45,Y,t(X;18)(p11.2;q11.2),add(2)(q37),-6,add(6)(q13),add(11)(q13),-13,+0-1r[cp20] (Figure 1B).

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Patrick Blackburn, Ph.D.
Fellow, Laboratory Genetics and Genomics
Mayo Clinic
Assistant Professor of Laboratory Medicine
Mayo Clinic College of Medicine and Science
@SNP_Dogg
Rhett Ketterling, M.D.
Consultant, Laboratory Genetics and Genomics
Mayo Clinic
Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine and Science
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This post was developed by our Education and Technical Publications Team.