Cases reported "Erythema Induratum"

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1/25. A 30 year history of panniculitis.

    The differential diagnosis of panniculitis may be challenging due to the uniform clinical presentation of different panniculitis subsets. We describe a 45-year-old woman with a 30 year history of panniculitis, who had repeatedly failed to fulfill diagnostic criteria for various panniculitis subsets. Finally, erythema induratum was diagnosed and she was successfully treated with antituberculous chemotherapy. The wide spectrum of histological alterations of chronic erythema induratum as well as the sensitivity of polymerase chain reaction for mycobacterium tuberculosis in erythema induratum lesions is discussed. ( info)

2/25. Recurrent panniculitis in a man with asthma receiving treatment with leukotriene-modifying agents.

    Leukotriene-modifying drugs are novel agents introduced recently to treat asthma. Both 5-lipoxygenase inhibitors, such as zileuton, and leukotriene receptor antagonists, such as zafirlukast and montelukast, have proved effective in the treatment of asthma. To our knowledge, there have been no detailed reports regarding dermatologic manifestations of this class of drugs. This article describes an unusual case of erythema nodosum in a 46-year-old asthmatic man who received 2 different leukotriene modifiers. ( info)

3/25. A case report of erythema induratum of Bazin's disease.

    INTRODUCTION: erythema induratum remains one of the rarely encountered tuberculid although tuberculosis is known to be endemic in the developing countries. We report a case of erythema induratum recently encountered in our centre. CLINICAL FEATURE: Clinically, erythema induratum typically manifests as ulcerative and indurated lesions on the lower limbs, especially the calves. treatment outcome: The patient responded well to a course of anti-tuberculous therapy with marked resolution of the lesions, suggesting the aetiological role of mycobacterium tuberculosis in this condition. CONCLUSION: A short review of the distinguishing features of erythema induratum, the associated classical histological spectrum and the usefulness of polymerase chain reaction in the diagnosis of erythema induratum is given. A search for active foci of tuberculosis is advocated in all cases. ( info)

4/25. erythema induratum associated with tuberculous lymphadenitis: analysis of a case using polymerase chain reactions with different primer pairs to differentiate bacille Calmette-Guerin (BCG) from virulent strains of mycobacterium tuberculosis complex.

    We retrospectively analyzed a bacille Calmette-Guerin (BCG) vaccinated female patient who developed erythema induratum in association with tuberculous lymphadenitis. The polymerase chain reaction (PCR) with two pairs of primers was performed. Only one pair was able to detect the myocobacterial dna from the paraffin-embedded specimen of the erythema induratum (EI) lesion. However, both pairs showed positive results with the tuberculous lymphadenitis specimen. sequence analysis of the PCR products excluded the possibility of BCG as the potential pathogen. Both lesions responded favorably to antituberculous therapy. Our study attests to the tuberculous nature of EI and demonstrates that BCG vaccination per se does not induce the lesion or interfere with the PCR result. Finally, using at least two pairs of primers targeting different genomic segments and possessing species-identification capability may raise the detection rates and solve some controversies about the nature of tuberculids. ( info)

5/25. erythema induratum in a patient with active tuberculosis of the axillary lymph node: IFN-gamma release of specific T cells.

    A 57-year-old woman with tender nodular lesions on her legs, arms, buttocks and face is reported as a case of erythema induratum (EI) with active tuberculosis of axillary lymph nodes. Both skin nodular lesions and lymph nodes responded positively to antituberculous therapy. The patient's peripheral blood mononuclear cells showed a high proliferation and produced interferon-gamma (IFN-gamma) in response to purified protein derivative (PPD). These findings indicate the possibility that PPD-specific T cells, capable of producing IFN-gamma, are likely to be involved in the formation of EI as a type of delayed-type hypersensitivity response to mycobacterial antigens at the site of skin lesions. ( info)

6/25. erythema induratum of Bazin and Poncet's disease -- successful treatment with antitubercular drugs.

    erythema induratum of Bazin (EIB) is considered a tuberculide reaction and consists of recurrent painful nodules predominantly on the calves. Clinically it has common features with diseases like nodular vasculitis, perniosis, polyarteritis nodosa and erythema nodosum. Poncet's disease is a reactive arthritis that may accompany tuberculosis. We report a case of a young woman in which the simultaneous occurrence of erythema induratum of Bazin and Poncet's disease led to a clinical picture very similar to Lofgren's syndrome. The final diagnosis was obtained by polymerase chain reaction detection of mycobacterial dna in a skin biopsy. A systemic therapy with tuberculostatic drugs led to the disappearance of symptoms. The presented case shows the usefulness of polymerase chain reaction diagnostics in EIB patients without other clinical signs of tuberculosis and a confusing combination of symptoms, and further confirms the presence of mycobacterial dna in EIB lesions. ( info)

7/25. erythema induratum of Bazin and renal tuberculosis: report of an association.

    erythema induratum of Bazin is a disease that usually affects women, in whom erythematous subcutaneous nodules and plaques appear on the posterior part of the lower extremities, some of which ulcerate. In many countries, tuberculosis is still the main etiologic factor. We report a case of a 40-year-old woman who presented a course of protracted and recurrent episodes over five years of cutaneous lesions on her legs. These tend to involute, but new crops appear at irregular intervals. It was painful, erythematous-violaceous nodules, some of which drained a reddish secretion. The histopathologic features of the lesions demonstrated inflammatory infiltration, with predominance of neutrophils in dermis and hypodermis, necrotizing vasculitis in the arterioles and septal fibrosis. There was no granuloma. The Ziehl-Neelsen stain did not revealed acid-fast bacilli, and the culture of biopsy specimen was negative. The tuberculin skin test was strongly positive (17 mm). The chest X-ray was normal. Few months later she presented adynamia and urinary complaints, such as polacyuria and dysuria. It has been done an urynalysis, which demonstrated acid pH urine, sterile pyuria and microscopic hematuria. It was then raised the diagnostic hypothesis of renal tuberculosis. The urine culture for M. tuberculosis was positive in two out of ten samples. The treatment was instituted with rifampin, isoniazid and pyrazinamide, with complete regression. This case illustrates a clear association between erythema induratum and renal tuberculosis, demonstrated by the remission of the cutaneous lesions after the treatment of the renal tuberculosis. ( info)

8/25. Mycobacteria other than mycobacterium tuberculosis are not present in erythema induratum/nodular vasculitis: a case series and literature review of the clinical and histologic findings.

    erythema induratum (EI)/nodular vasculitis (NV) is characterized by recurrent crops of tender oedematous nodules on the lower legs. A lobular panniculitis with granulomatous inflammation, vasculitis, focal necrosis and septal fibrosis is present. mycobacterium tuberculosis dna has been detected in some lesions by means of polymerase chain reaction (PCR). Ten cases of EI/NV were found. H&E slides were reviewed. PCR assays for M. tuberculosis and mycobacteria other than M. tuberculosis (MOTT) were performed. PCR did not reveal M. tuberculosis (0%) or MOTT (0%) dna, with positive controls, indicating the reliability of the assays. Among the MOTT, cutaneous infections are most commonly caused by M. marinum. Subcutaneous tuberculoid granulomas may be seen with M. kansasii, M. marinum, M. scrofulaceum and M. avium complex. M. gordonae, M. szulgai and M. malmoense rarely cause cutaneous infections. M. simiae, M. gastri and M. asiaticum are probably not cutaneous pathogens. M. tuberculosis and MOTT dna was not found in EI/NV. EI/NV has diverse aetiologies with varying pathogeneses leading to similar histologic changes. The cases analysed may not have had an infectious aetiology. However, in EI/NV, performance of PCR for MOTT as well as M. tuberculosis complex may still be beneficial, particularly in cases from immunocompromised hosts. ( info)

9/25. erythema induratum of Bazin in an infant after Bacille Calmette-Guerin vaccination.

    We report the first case of erythema induratum of Bazin (EIB) after Bacille Calmette-Guerin (BCG) vaccination in an infant. The patient developed recurrent multiple erythematous and subcutaneous nodules on his legs 2 months after a BCG vaccination. He had no other symptoms or family history of tuberculosis (TB). Histopathological findings revealed a granulomatous lobular panniculitis. EIB often appears as a chronic, nodular eruptions that frequently occur on the lower legs of females with tuberculin hypersensitivity. To date, only a few cases of infants with EIB have been reported. There have been no clinical reports of EIB after BCG vaccination. Our case suggests that mycobacterium bovis in the BCG vaccination may have caused EIB. ( info)

10/25. erythema induratum - a hypersensitivity reaction to mycobacterium tuberculosis.

    erythema induratum (also known as Bazin disease, tuberculosum, tuberculosis cutis indurativa and nodose tuberculid) is a rare condition that produces painful, firm, and sometimes ulcerated nodules on the lower legs. Distinctive and diagnostic histopathology comprises a septolobular panniculitis, necrosis, granulomatous inflammation and vasculitis. ( info)
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