Two Cases of Herpes Gladiatorum Identified in a Korean Middle-School Wrestling Team: A Case Report.

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Pediatric Life-Threatening Coronavirus Disease 2019 With Myocarditis.

We report the case of a pediatric life-threatening coronavirus disease 2019 who presented as myocarditis with heart failure. Clinicians should be aware of this severe presentation of the disease in children, possibly linked to an exaggerated inflammatory host immune response to severe acute respiratory syndrome coronavirus 2.

Herpetic whitlow of the toe presenting with severe viral cellulitis.

Herpetic whitlow of the toe is a common infection in an uncommon location, leading it to be frequently misdiagnosed; however, as the virus responds well to conservative management or antivirals alone, proper identification is necessary to prevent unnecessary interventions. We present a case of herpetic whitlow of the toe with an unusually ominous appearance in a previously healthy and otherwise well-appearing child. This case illustrates the spectrum of herpetic whitlow's clinical presentations and enourages consideration of the disease even for atypical location and severity.

Is it necrotizing fasciitis or necrotizing cellulitis after varicella zoster infection? Two case reports.

Necrotizing fasciitis and necrotizing cellulitis are serious cutaneous complications in varicella patients. Differentiation of necrotizing cellulitis from necrotizing fasciitis can initially be challenging because of indistinct clinical course at the onset of infection and the lack of definitive diagnostic criteria. This paper reports 2 children with necrotizing cellulitis that developed after varicella infection to draw the attention of health care providers to necrotizing cellulitis that showed slower clinical course than necrotizing fasciitis and recovered with conservative treatment approaches without aggressive surgical intervention.

Wells' syndrome associated with parvovirus in a 5-year old boy.

Wells' syndrome, otherwise known as eosinophilic cellulitis, is a rare dermatosis seen more commonly in adults than in children. In this article, we present a 5-year-old Caucasian boy who initially presented with pruritic, erythematous macules and papules evolving to bullae formation. Subsequent histology confirmed diagnosis of Wells' syndrome, and additional blood work also demonstrated positive immunoglobulin (Ig)M and IgG for parvovirus. In many instances, the direct etiology of Wells' syndrome is unclear, but the link between parvoviral infection and development of Wells' syndrome could further support an additional cause.

Severe ear chondritis due to cowpox virus transmitted by a pet rat.

We describe a case of cowpox virus infection leading to severe acute inflammation and chondritis of the outer ear, complicated by local necrosis and facial cellulitis. Secondary lesions occurred on a finger and the abdomen. Apart from scarring, outcome was favorable after repeated surgical excision of necrotic tissue.

[Acute dacryocystitis complicating primary mononucleosis infection]. / Dacryocystite aiguë sur une primo-infection mononucléosique.

INTRODUCTION: Infectious mononucleosis may lead to numerous complications. Tonsillar hyperplasia with risk of airway obstruction is well known. Dacryocystitis is a rare but potentially severe complication. OBSERVATION: A 6-year-old child with primary mononucleosis infectious diagnosed 8 days before, developed acute dacryocystitis, with rapid evolution to orbital cellulitis, despite adequate antibiotherapy. Emergency surgical drainage was required. DISCUSSION: Dacryocystitis is a rare and little documented complication of EBV infection. Its acute evolution to orbital cellulitis is possible and potentially severe. Its physiopathology is specific. Patients are initially free of chronic stenosis and epiphora, which express acute obstruction of the lachrymal sac due to general lymphoid hyperplasia.

Herpesviruses in abscesses and cellulitis of endodontic origin.

Acute apical abscesses and cellulitis are severe endodontic diseases caused by opportunistic bacteria with possible coinfection with latent herpesviruses. The objectives of this study are to identify herpesviruses, including human cytomegalovirus (HCMV), Epstein-Barr virus (EBV), herpes simplex virus-1 (HSV-1), and Varicella zoster virus (VZV) in patients (n = 31) presenting with acute apical abscesses and cellulitis of endodontic origin. Primary and nested polymerase chain reaction (PCR) was conducted using virus-specific primers and DNA isolated from cell-free abscess fluid. From patients exhibiting concurrent spontaneous pain (n = 28), nine abscesses contained HCMV, two abscesses contained EBV, one abscess contained HSV-1, and no abscesses contained VZV. Control PCR using genomic or recombinant templates showed detection limits to a single genomic copy of HCMV, 100 genomic copies for EBV, and 1 to 10 copies for HSV-1 with no cross-amplification between herpesviral DNA targets. Nested PCR was required for detection of herpesviral DNA in the abscess specimens, indicating that these viruses were present in low copy number. Filtration of abscess specimens and virus transfer experiments using human fibroblastic MRC-5 cells confirmed the presence of HCMV particles in several abscess specimens. We conclude that herpesviruses are present but not required for the development of acute apical abscesses and cellulitis of endodontic origin.

A case of facial cellulitis and necrotizing lymphadenitis due to cowpox virus infection.

We describe a patient with facial cellulitis/erysipelas due to cowpox virus inoculation in the respiratory epithelium of the nose. A cytopathic agent was isolated in cell culture, and the diagnosis of cowpox was confirmed by electron microscopy and polymerase chain reaction. The most likely source of infection was exposure to the family cats. In addition to the severe edematous cellulitis of the face, the clinical course was dominated by several areas of subcutaneous, necrotizing lymphadenitis, from one of which a huge abscess formed that had to be incised. Hyperbaric oxygen treatment was provided to prevent development of dermal necrosis. The healing process in the numerous areas of lymphadenitis was markedly protracted, and 1 persisting node (which yielded positive results on polymerase chain reaction) had to be excised 2 years after onset of disease. This is the first reported case of inoculation of cowpox virus in the respiratory mucosa of the nose. It resulted in a clinical course totally different than that for inoculation in the skin. We also present a short review of findings on orthopoxvirus infection that focuses on the chain of transmission.

[Multiple pseudo-cellulitis plaques and Koplick's sign: a particular form of parvovirus B19 primo-infection in adults]. / Placards pseudocellulitiques multiples et signe de Koplick: une forme originale de primo-infection à parvovirus B19 de l'adulte.

INTRODUCTION: clinical presentation which seems to be more specific of this infection. EXEGESIS: A 35-year-old woman, 12 weeks pregnant, presented with a primary infection of parvovirus B19. The clinical presentation was characterized by pseudo-cellulitis plaques of the buttocks and the vulva, buccal enanthema with ulcerations and Koplick spot. CONCLUSION: This is the second observation which describes such cutaneous and mucosal manifestations associated with parvovirus B19 infection. This kind of clinical presentation should be systematically reported to become well known by the physicians as erythema infectiosum of fifth disease or "gloves and socks" syndrome.

Herpes simplex virus type 2-associated eosinophilic cellulitis (Wells' syndrome).

Eosinophilic cellulitis (Wells' syndrome) is a recurrent inflammatory dermatosis characterized by massive infiltration of eosinophils into the skin. Drugs and pathogens have been recognized causes of eosinophilic cellulitis. We report the repeated association of eosinophilic cellulitis with herpes simplex virus type 2 infections. Antiviral therapy led to a complete remission of eosinophilic cellulitis, indicating that causative treatment of underlying diseases can be effective in controlling eosinophilic cellulitis.

[Cytomegalovirus cellulitis]. / Celulitis por citomegalovirus.

Cutaneous lesions in CMV infection are rare, often a late manifestation of systemic infection, and usually herald a fatal course. A 70 year-old woman received a kidney transplantation one month before consulting and immunosuppressive therapy that included cyclosporine A and methylprednisone. She complained of fever, local pain in her right leg, and an erythematous and swelling plaque. She was treated with intravenous antibiotics without improvement. A skin biopsy was performed and the tissue obtained was sent for bacterial and fungal cultures as well as for histological examination. Cultures were negative. The biopsy showed CMV cytopathic changes. Immunoperoxidase staining was positive for CMV and polymerase chain reaction (PCR) testing revealed CMV DNA. She was treated with ganciclovir with resolution of the lesion. CMV cellulitis is a rare cutaneous manifestation which has not been previously reported.

[Varicella in children]. / Varicella hos barn.

Chickenpox in childhood is a milder condition than in older patients, but serious and even fatal complications may occur. Complications occur especially in immunosuppressed individuals, but can also be seen in previously healthy children. In Norway, children with varicella and complications have traditionally been hospitalized in departments of medicine. After the new Department of Paediatrics was opened at Ulleval University Hospital in 1998, we have been able to isolate them there. This article describes our experience with these children and discuss our current policy guidelines. We review issues relating to isolation, contagiousness, prevention, complications and treatment, and recommendations from the literature.

Metacarpal osteomyelitis complicating varicella-associated cellulitis of the hand: report of 2 cases.

Hematogenous osteomyelitis is a known complication of varicella. Osteomyelitis accompanying adjacent soft tissue infection, however, has only been described once in the literature. We report 2 cases of metacarpal osteomyelitis complicating varicella-associated cellulitis of the hand. The cases illustrate that this diagnosis should be considered in a patient with varicella, soft tissue infection and lack of clinical improvement despite apparently appropriate therapy.