Multiple congenital epitrichial sweat gland hamartomas in a piglet

Gourreau, Jean-Marie; Morvan, Hervé; Triller, Raoul; Marinho, E.; Scott, Danny W.

doi:10.1111/j.1365-3164.2007.00648.x

Cited by 6 publications

(3 citation statements)

References 5 publications

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“…Although hamartomas are much more common in humans (11) and dogs (3,5), with several stages and histopathological differentiations, they were reported in swine. Previous reports of fibroepithelial (10) and an epitrichial sweat gland (2) hamartomas in piglets describe them as cauliflower-like masses in the head (10) or head, neck, and shoulder (2). Therefore, congenital cutaneous hamartoma can be grossly similar to the fibropapilloma described in this study.…”

Section: Discussionsupporting

confidence: 69%

Congenital fibropapillomatosis in a pig

Schwertz,

Miglioranza,

Schwertz

et al. 2023

BJVP

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This paper reports a case of congenital cutaneous fibropapillomatosis in a piglet from a swine-producing farm in the municipality of Concórdia, Santa Catarina - Brazil. The main gross lesion was an exophytic mass with a pinkish color, irregular surface, and margins, sometimes with a cerebrum-like appearance, extending from the right cervical and scapular regions to the craniomedial portion of the right forelimb. Histologically, the mass consisted of a well-delimited proliferation of fibrous tissue in the superficial dermis, covered by a proliferation of keratinocytes with low cellular atypia. Diffuse and severe hyperkeratosis of the epidermis was also observed. Immunohistochemistry for papillomavirus was negative, indicating that this animal had spontaneous non-viral papillomatosis. This condition is rare in pigs, with only two other cases described in the literature.

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Section: Discussionsupporting

confidence: 69%

Congenital fibropapillomatosis in a pig

Schwertz,

Miglioranza,

Schwertz

et al. 2023

BJVP

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“…Vascular hamartoma has also been diagnosed in small ruminants (3,40). Sweat gland hamartoma was reported in a newborn piglet (19). A unique hamartoma consisting of pancreatic and hepatic cells was recently found in a 7-year-old pig, which is the first case of pancreatic hamartoma reported in an animal (75).…”

mentioning

confidence: 87%

Hamartoma: a rare developmental disorder

Bartyzel¹,

Max²,

Gruszczyńska³

et al. 2017

Medycyna Weterynaryjna

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SummaryHamartoma is a developmental disorder of various body parts and organs. It is characterized by a nonneoplastic growth of tissue with an uneven distribution and proportion of individual cells. Lesions progress for several years, but usually do not give clinical symptoms, and do not undergo malignant transformation. They occur alone or coexist with other defects, sometimes forming a characteristic clinical picture of a syndrome of congenital defects. Mutations in genes, such as PTEN, GLI3, SDH B/D, PIK3CA and ACT1, cause a dysfunction of the tumor suppressor gene and result in an increased neoplastic transformation. Hamartoma is a lesion between developmental disorders and benign tumors, which occurs frequently in humans, but is very rare in domestic animals. In a histopathological examination, however, it is diagnosed relatively often. In the veterinary literature, both hamartoma and choristoma are attributed mostly to errors in embryogenesis and are not considered as preneoplastic lesions.

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“…Among those are pressure-induced injuries due to inappropriate flooring, which include calluses, focal skin necrosis, claw fissures and erosions, decubitus ulcers, and "bursitis." 1,2 Strictly speaking, bursitis means inflammation of a bursa, which is a small sac-like cavity lined with a synovial membrane and filled with synovial fluid. 3 Bursae are physiologically located around joints and serve to decrease friction where muscles and tendons glide over bones.…”

mentioning

confidence: 99%

Severe outbreak of adventitious sternal bursitis in a pig herd in Central Italy

Marruchella,

Mosca,

Di Provvido

et al. 2017

JSHAP

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This case report describes the main features of an outbreak of adventitious sternal bursitis that severely affected a pig herd in Central Italy between April and May 2016. All cases involved pigs aged 4 to 5 months, originating from the same farm and sharing the same genetic background. Concurrent infections with beta-hemolytic streptococci were observed. The intrinsic and extrinsic causative factors, as well as the significance of this disease in pigs, are herein reviewed and discussed.

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Multiple congenital epitrichial sweat gland hamartomas in a piglet

Cited by 6 publications

References 5 publications

Congenital fibropapillomatosis in a pig

Congenital fibropapillomatosis in a pig

Hamartoma: a rare developmental disorder

Severe outbreak of adventitious sternal bursitis in a pig herd in Central Italy

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