Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in Pennsylvania
Intracranial abscesses are a common cause of morbidity and mortality in neurologic free-ranging white-tailed deer (<i>Odocoileus virginianus</i>). These infections are typically attributed to <i>Trueperella pyogenes</i> and occur most often in adult males with concurrent antl...
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MDPI AG
2025-02-01
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| author | Jack Timmons Matthew Shaub Luke Scherer Ian Gereg Lauren Maxwell Lane Potts Madison Stevens Madeline Vile Erica A. Miller Kevin D. Niedringhaus |
| author_facet | Jack Timmons Matthew Shaub Luke Scherer Ian Gereg Lauren Maxwell Lane Potts Madison Stevens Madeline Vile Erica A. Miller Kevin D. Niedringhaus |
| author_sort | Jack Timmons |
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| description | Intracranial abscesses are a common cause of morbidity and mortality in neurologic free-ranging white-tailed deer (<i>Odocoileus virginianus</i>). These infections are typically attributed to <i>Trueperella pyogenes</i> and occur most often in adult males with concurrent antler and skull infections. A subset of intracranial abscesses in white-tailed deer are localized to the pituitary gland, with previously described reports in five white-tailed deer. In this case series, five additional free-ranging white-tailed deer in Pennsylvania were diagnosed with pituitary abscesses at necropsy. Two cases were female deer, and four cases were yearling or juvenile deer. Two cases presented with conjunctivitis and keratitis due to extension of pituitary abscesses into the retrobulbar and peri-orbital spaces. One case had a concurrent liver abscess. This case series demonstrates a unique clinical presentation of keratitis and conjunctivitis and emphasizes the potentially unique pathogenesis for pituitary abscesses compared to other intracranial abscesses described in white-tailed deer. |
| format | Article |
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| institution | DOAJ |
| issn | 2076-2615 |
| language | English |
| publishDate | 2025-02-01 |
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| spelling | doaj-art-df78294f91c74eeda2fc018d8361053c2025-08-20T03:12:34ZengMDPI AGAnimals2076-26152025-02-0115340910.3390/ani15030409Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in PennsylvaniaJack Timmons0Matthew Shaub1Luke Scherer2Ian Gereg3Lauren Maxwell4Lane Potts5Madison Stevens6Madeline Vile7Erica A. Miller8Kevin D. Niedringhaus9College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAWildlife Futures Program, Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USAIntracranial abscesses are a common cause of morbidity and mortality in neurologic free-ranging white-tailed deer (<i>Odocoileus virginianus</i>). These infections are typically attributed to <i>Trueperella pyogenes</i> and occur most often in adult males with concurrent antler and skull infections. A subset of intracranial abscesses in white-tailed deer are localized to the pituitary gland, with previously described reports in five white-tailed deer. In this case series, five additional free-ranging white-tailed deer in Pennsylvania were diagnosed with pituitary abscesses at necropsy. Two cases were female deer, and four cases were yearling or juvenile deer. Two cases presented with conjunctivitis and keratitis due to extension of pituitary abscesses into the retrobulbar and peri-orbital spaces. One case had a concurrent liver abscess. This case series demonstrates a unique clinical presentation of keratitis and conjunctivitis and emphasizes the potentially unique pathogenesis for pituitary abscesses compared to other intracranial abscesses described in white-tailed deer.https://www.mdpi.com/2076-2615/15/3/409abscessdeerneurologic disease<i>Odocoileus virginianus</i>pituitary abscess<i>Trueperella pyogenes</i> |
| spellingShingle | Jack Timmons Matthew Shaub Luke Scherer Ian Gereg Lauren Maxwell Lane Potts Madison Stevens Madeline Vile Erica A. Miller Kevin D. Niedringhaus Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in Pennsylvania Animals abscess deer neurologic disease <i>Odocoileus virginianus</i> pituitary abscess <i>Trueperella pyogenes</i> |
| title | Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in Pennsylvania |
| title_full | Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in Pennsylvania |
| title_fullStr | Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in Pennsylvania |
| title_full_unstemmed | Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in Pennsylvania |
| title_short | Pathologic Findings of Cranial Abscesses Involving the Pituitary Gland in Free-Ranging White-Tailed Deer (<i>Odocoileus virginianus</i>) in Pennsylvania |
| title_sort | pathologic findings of cranial abscesses involving the pituitary gland in free ranging white tailed deer i odocoileus virginianus i in pennsylvania |
| topic | abscess deer neurologic disease <i>Odocoileus virginianus</i> pituitary abscess <i>Trueperella pyogenes</i> |
| url | https://www.mdpi.com/2076-2615/15/3/409 |
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