Cases reported "Acne Vulgaris"

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1/62. Necrotizing vasculitis of the skin and uterine cervix associated with minocycline therapy for acne vulgaris.

    In recent years, minocycline has become a commonly used agent for the treatment of acne vulgaris and rosacea. With this increased use have come reports of severe and in some cases life-threatening toxicity, often occurring in otherwise healthy young women after prolonged courses of minocycline. These adverse reactions include hepatotoxicity, drug-induced lupus erythematosus, eosinophilic pneumonitis, and hypersensitivity syndrome. We describe a 35-year-old woman who had necrotizing vasculitis of the skin and uterine cervix after 2 years of minocycline therapy for acne vulgaris. skin and cervical biopsies revealed acute inflammation involving through-and-through necrosis of vessel walls with thrombosis, focal fibrinoid change, and a perivascular lymphohistiocytic infiltrate. The disease fully resolved within 3 months of discontinuance of the minocycline therapy. patients should be informed of these rare but potentially serious adverse effects before the initiation of minocycline therapy. Early recognition of these complications can result in complete resolution.
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2/62. Recalcitrant acne vulgaris secondary to a dental abscess.

    This case report describes a middle-aged man with acne that was recalcitrant to numerous medications, including three courses of isotretinoin. His condition cleared after an infected tooth was removed and recurred when another tooth became carious. acne vulgaris is associated with several immunologic responses including the production of antibodies against propionibacterium acnes, the gram-positive bacteria found in acne lesions. We believe that the presence of our patient's dental infections provoked a follicular inflammatory response resulting in his recalcitrant acne.
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3/62. Complications of minocycline therapy for acne vulgaris: case reports and review of the literature.

    In order to raise the awareness of the potential side effects that can be induced by minocycline, we report three adolescent girls who experienced serious adverse reactions to this therapy, which was prescribed for acne vulgaris.
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4/62. Disfiguring draining sinus tracts in a female acne patient.

    A 17-year-old girl with a 9-month history of papulopustular acne developed disfiguring, highly inflammatory, fluctuant nodules in both nasolabial folds within 2 months. Periodically she experienced discharge of pus and blood from these lesions. A diagnosis of disfiguring draining sinus tracts associated with acne vulgaris was made. The therapeutic regimen included intralesional corticosteroid injection, systemic corticosteroids along with a macrolide antibiotic, and systemic isotretinoin to reduce the inflammatory process. Outcome was favorable, with no recurrences during the following 10 months. Draining sinus is a malevolent lesion usually seen in severe forms of acne such as acne conglobata, acne fulminans, and acne inversa. Treatment is difficult and often unsatisfactory. In many cases, excision of the lesion is necessary to provide a permanent cure.
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5/62. Black thyroid adenoma. Clinical, histochemical, and ultrastructural features.

    A 22-year-old woman with a "hot" thyroid nodule who was being treated with minocycline for severe acne vulgaris is presented. A partial thyroidectomy specimen revealed a black adenoma. Microscopically, the black pigment was found in the follicular cells and the colloid of the adenoma. The pigment was bleached with potassium permanganate and was Fontana-Masson stain positive. It was negative for iron, periodic acid-Schiff, and acid-fast Ziehl-Neelsen stains. All these feature suggest a melanin-like pigment. However, electron microscopic examination revealed a dense osmophilic material present within the lysosomes of the follicular cells. No melanosomes were present. Twenty-six previously reported cases are reviewed, and the possible mechanisms for the deposition of the pigment in the adenoma and its relation to minocycline degradation products are discussed.
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6/62. Mutilating facial acne conglobata.

    Acne conglobata, a severe form of acne vulgaris, often produces pronounced disfigurement. We describe a 23-year-old man with acne conglobata. Although this type of acne is often more marked on the back rather than on the face, our patient was unusual in that it was localized mainly to the cheeks. Conventional medical therapy was ineffective, or contraindicated. Radical surgical excision with subtotal removal of cheek skin and subcutaneous tissue was performed with an excellent result.
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7/62. Chronic destructive oligoarthritis associated with propionibacterium acnes in a female patient with acne vulgaris: septic-reactive arthritis?

    propionibacterium acnes is an anaerobic bacillus implicated in certain chronic arthritides. This report describes an HLA-B27 17-year-old woman with acne vulgaris who presented with rapidly destructive arthritis in the left shoulder as well as an evolving left subclavicular adenopathy. One year later, arthritis was detected in the left knee; the inflammatory synovial fluid was sterile. growth of P acnes was observed in cultures of the shoulder synovium and lymph nodes, but polymerase chain reaction was negative for borrelia, chlamydia, and ureaplasma dna. Three months of treatment with amoxicillin and rifampicin led to clinical disappearance of the oligoarthritis, but arthritis recurred in the left knee after discontinuation of therapy. On biopsy, bacteria were undetectable in the knee synovium, but chronic arthritis was evident histologically. Antibiotics were reintroduced for 12 months and were again effective against the clinical symptoms. Although the asymmetry, histologic features, arthritis-acne association, and genetic predisposition of this chronic destructive oligoarthritis would seem to indicate a reactive arthropathy, the isolation of P acnes from 2 distinct specimens prompted us to propose calling this a case of septic-reactive arthritis, which is further supported by the absence of progression after antibiotic therapy and the persistence of the rheumatism. To our knowledge, this is the first demonstration of the efficacy of prolonged antibiotic therapy on the joint manifestations of chronic rheumatism associated with acne.
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8/62. Perinuclear antineutrophilic cytoplasmic antibody-positive cutaneous polyarteritis nodosa associated with minocycline therapy for acne vulgaris.

    minocycline is an oral antibiotic widely used for the long-term treatment of acne vulgaris. Unusual side effects of this medication include two overlapping autoimmune syndromes: drug-induced lupus and autoimmune hepatitis. In addition, in a few patients livedo reticularis or subcutaneous nodules have developed in association with arthritis and serum perinuclear antineutrophil cytoplasmic antibodies (P-ANCA) during long-term minocycline therapy. We report the cases of two young women receiving long-term minocycline therapy (>3 years) in whom P-ANCA-positive cutaneous polyarteritis nodosa developed. Both patients presented with a violaceous reticulated pattern on the lower extremities. Histologic examination of biopsy specimens from a reticulated area and a subcutaneous nodule showed necrotizing vasculitis of medium-sized arteries in the deep dermis, consistent with the diagnosis of polyarteritis nodosa. The cutaneous lesions rapidly resolved on discontinuation of minocycline and initiation of prednisone therapy. A high index of suspicion and testing for antineutrophil cytoplasmic antibody in addition to the standard antinuclear antibody panel can facilitate diagnosis of minocycline-related autoimmune disorders.
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9/62. Perceptions of acne vulgaris in final year medical student written examination answers.

    Misconceptions exist in the community regarding factors that exacerbate acne vulgaris. In particular stress, diet, lifestyle and personal hygiene are often erroneously claimed to be important factors. In order to investigate whether these common misconceptions persist in medical graduates, we analysed the answers of 215 sixth year medical students, who all subsequently graduated from The University of Melbourne, to a short-answer question on acne management and exacerbating factors in one of their final year examination papers. With respect to exacerbating factors, 67% of students identified stress, 10% identified lifestyle factors (smoking and alcohol consumption), and 25% claimed poor facial hygiene exacerbated acne. diet was stated to be an important factor by 41% of students, of whom 12% specifically mentioned chocolate. Persistence of these misconceptions among medical graduates is likely to perpetuate misinformation in the community.
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10/62. minocycline hypersensitivity syndrome with hypotension mimicking septic shock.

    minocycline is a semisynthetic tetracycline derivative that is often used in the treatment of acne vulgaris. A serious but rare adverse effect caused by minocycline therapy is a hypersensitivity syndrome (HS), consisting of fever, skin eruption, and internal organ involvement that begins within 8 weeks of therapy initiation. We report a case of minocycline HS with unique features, namely, associated hypotension, and a rebound of the cutaneous eruption upon discontinuation of systemic steroids.
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