Tracheal and Colonic Resection and Anastomosis in a Boa Constrictor (Boa constrictor) with T-Cell Lymphoma

Summa, Noémie; Guzmán, David Sánchez-Migallón; Hawkins, Michelle G.; Grosset, Claire; Chen, Vivian S.; Goldsmith, Dayna; Keel, Kevin; Woolard, Kevin D.; Young, Alexandra C.; Bucy, Daniel S.; Steffey, Michele A.

doi:10.5818/1529-9651-25.3.87

Cited by 7 publications

(6 citation statements)

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“…7,8,[27][28][29][30][31][32][33][34][35][36][37] Unfortunately, for the majority of zoological companion animal cases, the diagnosis of lymphoma is made postmortem, with few recorded cases of treatment. 3,5,6,8,[10][11][12][13][14][15][16][17][20][21][22][23][24][25][28][29][30][31][32][33][34][35][36][37] Of the zoological companion animal cases that have been diagnosed antemortem, treatment options that have been explored include surgery, systemic chemotherapy, a combination of surgical excision and radiation therapy, or a combination of radiation therapy and chemotherapy. [13][14][15][16][17]21,31,…”

Section: Discussionmentioning

confidence: 99%

“…3,5,6,8,[10][11][12][13][14][15][16][17][20][21][22][23][24][25][28][29][30][31][32][33][34][35][36][37] Of the zoological companion animal cases that have been diagnosed antemortem, treatment options that have been explored include surgery, systemic chemotherapy, a combination of surgical excision and radiation therapy, or a combination of radiation therapy and chemotherapy. [13][14][15][16][17]21,31,33,[35][36][37] In this case, lymphoma was diagnosed as a solitary mass ventral to the external meatus with no evidence of overt disseminated disease. In cases of feline and canine lymphoma, the primary treatment for systemic disease is parenteral chemotherapy; however, in cases of solitary forms of lymphoma, radiation therapy is often used and can be curative.…”

Section: Discussionmentioning

confidence: 99%

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Palliative Radiation Therapy for Treatment of Cutaneous T-cell Lymphoma in a Double Yellow-headed Amazon Parrot (Amazona oratrix)

Watson,

Gardhouse,

Hiebert

et al. 2023

Journal of Avian Medicine and Surgery

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A 17-year-old captive female double yellow-headed Amazon parrot (Amazona oratrix) was presented to the Kansas State University Zoological Medicine Service (Manhattan, KS, USA) for a 2-month history of a left sided facial swelling. On examination, a red, raised mass was noted on the left side of the face. A whole-body computed tomography scan of the bird was performed to assess the extent of the mass and evaluate the patient for obvious evidence of disseminated disease. No systemic involvement was detected, and the swelling was localized to the cutaneous and subcutaneous tissues overlying the left rhamphotheca. Two punch biopsies were collected, and histopathology was consistent with cutaneous lymphoma, with strong positive CD3 staining congruous with a T-cell origin. Because of a lack of evidence for disseminated disease, the authors elected to pursue localized radiation therapy, and a single fraction of 8 Gray was administered. The swelling had resolved by the time of the recheck examination 4 weeks post–radiation therapy, and the patient remained clinically normal 52 weeks after radiation therapy.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Palliative Radiation Therapy for Treatment of Cutaneous T-cell Lymphoma in a Double Yellow-headed Amazon Parrot (Amazona oratrix)

Watson,

Gardhouse,

Hiebert

et al. 2023

Journal of Avian Medicine and Surgery

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“…Overall, these previous studies have found that neoplasia appears to be common in snakes [7,8], and it is well shown in the literature that snakes tend to have higher prevalence of cancer reported than other reptiles [7,9]. However, these publications on snake neoplasia have typically focused only on the types of neoplasia diagnosed [10,11], the prevalence of neoplasia at a single institution or laboratory [4,12], or on an individual animal's treatment [13,14]. A type of multi-institutional study on museum specimens has been done as well as a literature review, however, this study was never able to confirm the presence of neoplasia due to the lack of confirmatory testing [15].…”

Section: Introductionmentioning

confidence: 99%

A Multi-Institutional Collaboration to Understand Neoplasia, Treatment and Survival of Snakes

Duke

Harrison

Moresco

et al. 2022

Animals

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This multi-institutional collaborative study of neoplasia in snakes reviewed medical records of snakes at each facility to determine species prevalence, survival, and methods of treatment. Complete species numbers of snakes were also collected at each facility. In total, 65 species, 133 snakes, and 149 unique neoplasias were included in this study. Affected species, age, sex, and their tumor prevalence, tumor type and location, metastasis, treatment, and survival data are reported. The highest species-specific tumor prevalence was in Common or Northern Watersnakes (Nerodia sipedon) (30.8%, n = 4 of 13), Eastern Diamond-Backed Rattlesnakes (Crotalus adamanteus) (26.3%, n = 5 of 19), and Timber rattlesnakes (Crotalus horridus) (22.7%, n = 5 of 22). Malignant tumors predominated (86.6%, n = 129 of 149) with soft tissue sarcomas being the most common (30.2%, n = 45 of 149). Snakes with malignant neoplasia, metastases, or indeterminate presence of metastases were statistically more likely to die from their neoplasms than snakes having either benign neoplasia or no diagnosed metastases (p < 0.05). Gender, taxonomic family, and species of those evaluated did not significantly affect the outcome of snakes with neoplasia. Only 27.1% (n = 36 of 133) of snakes received a reported form of treatment and, for those treated, surgical excision was the most common treatment modality. There was not a significant difference in outcome based on treatment; however, surgery and chemotherapy were associated with death from a cause other than their tumor.

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“…However, respiratory neoplasms appear uncommon in reptiles [ 1 ]. Neoplasms of the trachea have been reported in 6 cases: adenosquamous carcinoma in a California kingsnake ( Lampropeltis getula californiae ), T-cell lymphoma in a Boa Constrictor ( Boa constrictor ) and chondromas in four ball pythons ( Python regius ) [ 1 , 2 , 7 , 10 ]. This report describes pathological findings of tracheal chondrosarcoma in a blue tegu.…”

mentioning

confidence: 99%

“…Primary tracheal neoplasms reported in animals include leiomyoma, chondroma, chondrosarcoma and adenocarcinoma [ 11 ]. A limited number of reports have described tracheal neoplasm in reptiles, with adenosquamous carcinoma in a California kingsnake, T-cell lymphoma in a Boa Constrictor ( Boa constrictor ) and chondromas in four ball pythons [ 1 , 2 , 7 , 10 ]. In the report of chondromas in ball pythons, the expansile mass in each case comprised well-differentiated chondrocytes without mitoses [ 2 ].…”

mentioning

confidence: 99%

Tracheal chondrosarcoma in a blue tegu (<i>Salvator merianae</i>)

Iwata

Kondo

Koizumi³

et al. 2021

J. Vet. Med. Sci.

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An 8-year-and-1-month-old female blue tegu ( Salvator merianae ) was brought to a clinician with severe cough. The patient died 11 days later despite supportive care, and necropsy was performed by a clinician. The lumen of the distal trachea was almost completely occluded by a milk-white, hard mass measuring 1 cm in diameter. Histopathologically, the mass comprised spindle-shaped to polygonal cells arranged in a loose sheet with abundant production of basophilic cartilaginous matrix, consistent with chondrosarcoma. Reports of tracheal neoplasms in reptiles are limited, and to the best of our knowledge this represents the first pathological documentation of tracheal chondrosarcoma in a reptile.

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Tracheal and Colonic Resection and Anastomosis in a Boa Constrictor (Boa constrictor) with T-Cell Lymphoma

Cited by 7 publications

References 50 publications

Palliative Radiation Therapy for Treatment of Cutaneous T-cell Lymphoma in a Double Yellow-headed Amazon Parrot (Amazona oratrix)

Palliative Radiation Therapy for Treatment of Cutaneous T-cell Lymphoma in a Double Yellow-headed Amazon Parrot (Amazona oratrix)

A Multi-Institutional Collaboration to Understand Neoplasia, Treatment and Survival of Snakes

Tracheal chondrosarcoma in a blue tegu (<i>Salvator merianae</i>)

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