Botryomycosis and coccidiomycosis of the foot

Ocampo‐Garza, Jorge; Welsh-Hernández, Esperanza; Ramos‐Jiménez, Javier; Robles-Méndez, Juan Carlos; Martínez-Cabriales, Sylvia Aidé; Vera-Cabrera, Lucio; Gómez‐Flores, Minerva; Ocampo‐Candiani, Jorge; Welsh, Oliverio

doi:10.1111/ajd.12519

Cited by 2 publications

(4 citation statements)

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“…In equine medicine, only one case of botryomycosis involving osseous structures is described, which affected the occipital bone of the skull (Johns et al, 2014). In this study, the lesion was identified et al, 1998;Ocampo-Garza et al, 2017;Pruitt et al, 1995). Reports of neurological signs secondary to botryomycosis are equally rare in literature, in both equine (Johns et al, 2014) and human medicine (Wu et al, 1978), and are dependent on the locality of the lesions.…”

Section: Discussionmentioning

confidence: 79%

“…Like that case report, the final diagnosis of botryomycosis was made using post‐mortem histopathology and bacteriology. In human literature, there are only a few case reports of botryomycosis with osseous involvement associated with the orbit, the foot and a thoracic vertebral body (Bersoff‐Matcha et al, 1998; Ocampo‐Garza et al, 2017; Pruitt et al, 1995). Reports of neurological signs secondary to botryomycosis are equally rare in literature, in both equine (Johns et al, 2014) and human medicine (Wu et al, 1978), and are dependent on the locality of the lesions.…”

Section: Discussionmentioning

confidence: 99%

“…Two main forms have been described, depending on the localisation of the primary lesion: a more common cutaneous form and a visceral form (Winslow, 1959). Both can secondarily invade osseous structures (Brack et al, 1997; Johns et al, 2014; Ocampo‐Garza et al, 2017; Pruitt et al, 1995). In horses, not only the skin of the limbs, lips, chin, and scrotum is most commonly affected (Mauldin & Peters‐Kennedy, 2016), but also other tissues such as lungs, oropharynx, mammary glands, brain and the spermatic cord after castration can be targeted (Bollinger, 1870; Johns et al, 2014; Merchan et al, 2019; Moreira et al, 2018).…”

Section: Introductionmentioning

confidence: 99%

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Botryomycosis‐like discospondylitis of the thoracic spine in a Friesian horse with severe bilateral pelvic limb ataxia and paresis

Vandekerckhove

Raes

Jonge

et al. 2023

Equine Veterinary Education

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Summary Botryomycosis is an uncommon chronic bacterial pyogranulomatous infection of cutaneous and, rarely of visceral origin, that can rarely invade the osseous tissues. An 8‐year‐old Friesian gelding was presented with severe bilateral hindlimb ataxia and paresis of 2‐weeks' duration. Radiographic examination revealed a large osteolytic lesion at the T10‐T11 intervertebral disc space. Post‐mortem examination revealed discospondylitis with abscess formation and histological presence of pyogranulomatous inflammation with coccoform bacteria rimmed by Splendore‐Hoeppli material. Staphylococcus aureus was identified by bacteriological examination. This case report describes the clinical presentation, imaging features and post‐mortem findings of a Friesian gelding presenting with severe bilateral hindlimb ataxia and paresis caused by compression and degeneration of the spinal cord due to a botryomycosis‐like thoracic discospondylitis. Botryomycosis‐like infection should be considered in the differential diagnosis of focal expansile bone lesions demonstrating diffuse osteolysis, sclerosis and interrupted bone margins.

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Section: Discussionmentioning

confidence: 79%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Botryomycosis‐like discospondylitis of the thoracic spine in a Friesian horse with severe bilateral pelvic limb ataxia and paresis

Vandekerckhove

Raes

Jonge

et al. 2023

Equine Veterinary Education

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“…Several other cases in immunocompetent patients have been reported (Table 1). [9][10][11][12][13][14][15] We choose the articles by the following criteria: (i) the patients were immunocompetent; and (ii) the duration, the period from notice of lesion to consultation, was short (<1 year). As far as we know, there were 14 cases whose duration was long (≥1 year).…”

Section: Discussionmentioning

confidence: 99%

Case of cutaneous botryomycosis in an 8‐year‐old immunocompetent boy with a review of the published work

Shimagaki

Yuki

Kimura

et al. 2020

The Journal of Dermatology

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Botryomycosis is a rare chronic suppurative granulomatous infection caused by several genera of non-filamentous bacteria. The clinical and histopathological findings are similar to those of mycetoma caused by true fungi or aerobic actinomycetes. Botryomycosis is divided into cutaneous and visceral disease, with the cutaneous form being more common. Histopathology shows granules of etiologic bacteria called "sulfur granules". Botryomycosis occurs more commonly among immunocompromised patients, although some cases have also been reported in immunocompetent patients. We report the case of an 8-year-old immunocompetent boy who visited our hospital with a 4-mm diameter subcutaneous tumor with mild tenderness on his right heel for several months. We surgically removed the tumor with an initial diagnosis of epidermal cyst. Histopathology showed sulfur granules surrounded by an eosinophilic matrix, indicating the Splendore-Hoeppli phenomenon. The granules consisted of Gram-positive cocci, leading to a diagnosis of botryomycosis. The patient was successfully treated by excision and oral trimethoprim/sulfamethoxazole (240 mg b.i.d.) for 2 weeks as adjuvant therapy. No recurrence was noted following treatment. The subcutaneous tumor in this case was smaller than the typical in botryomycosis infections. We reviewed the infection duration and tumor size in reported cases of botryomycosis in immunocompetent patients. Small tumor size may suggest that the case is in an early stage; therefore, it is important to remove and investigate these lesions proactively.

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Botryomycosis and coccidiomycosis of the foot

Cited by 2 publications

References 4 publications

Botryomycosis‐like discospondylitis of the thoracic spine in a Friesian horse with severe bilateral pelvic limb ataxia and paresis

Botryomycosis‐like discospondylitis of the thoracic spine in a Friesian horse with severe bilateral pelvic limb ataxia and paresis

Case of cutaneous botryomycosis in an 8‐year‐old immunocompetent boy with a review of the published work

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