Keloids and hypertrophic scars (HTS) are the result of overgrowth of fibrous tissue, following healing of a cutaneous injury, and cause morbidity. There are several treatment modalities which are useful for the management of keloids, though no single modality is completely effective. The most commonly used modalities are pressure, silicone gel sheet, intralesional steroids, 5-fluorouracil (5 FU), cryotherapy, surgical excision, and lasers. They may be used either singly or, as is done more commonly, in combinations. Any qualified dermatologist who has attained postgraduate qualification in dermatology can treat keloids and HTS. Some procedures, such as cryosurgery and surgical excision, may require additional training in dermatologic surgery. Most modalities for keloids, including intralesional injections and mechanical therapies such as pressure and silicone gel based products, can be given/prescribed on OPD basis. Surgical excision requires a minor operation theater with the facility to handle emergencies. It is important to counsel the patient about the nature of the problem. One should realize that keloid will only improve and not disappear completely. Patients should be informed about the high recurrence rates. Different modalities carry risk of adverse effects and complications and the treating physician needs to be aware of these and patients should be informed about them.

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Drug hypersensitivity syndrome (DHS) is an adverse drug reaction commonly associated with the aromatic antiepileptic drugs (AEDs), viz., phenytoin (PHT), carbamazepine (CBZ), phenobarbital (PB), lamotrigine, primidone, etc. It can also be caused by other drugs, such as sulfonamides, dapsone, minocycline, gold derivatives, cyclosporine, captopril, diltiazem, terbinafine, azathioprine and allopurinol. Diagnosis of DHS may be difficult because of the variety of clinical and laboratory abnormalities and manifestations and because the syndrome may mimic infectious, neoplastic or collagen vascular disorders. The risk for developing hypersensitivity within 60 days of the first or second prescription in new users of PHT or CBZ was estimated to be 2.3-4.5 per 10,000 and 1-4.1 per 10,000, respectively. The syndrome is defined by the fever, skin rash, lymphadenopathy and internal organ involvement within the first 2-8 weeks after initiation of therapy. Internal manifestations include, among others, agranulocytosis, hepatitis, nephritis and myositis. Insufficient detoxification may lead to cell death or contribute to the formation of antigen that triggers an immune reaction. Cross-reactivity among PHT, CBZ and PB is as high as 70%-80%. Management mainly includes immediate withdrawal of the culprit drug, symptomatic treatment and systemic steroids or immunoglobulins.

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Background: Prolonged and continuous use of topical steroids leads to rosacea-like dermatitis with variable clinical presentations. Aims: To study the various clinical presentations of patients with topical corticosteroid-induced rosacea-like dermatitis (TCIRD), who had a history of prolonged and repeated use of topical steroids for reasons other than the known disease entities. Methods: A total of 110 patients were enrolled for the study over a period of 2 years, excluding all those with the known disease entity in which topical steroids were commonly used. Detailed history which also included the source and the type of topical steroid use was taken along with clinical examination. Results: There were 12 males and 98 females with their age ranging from 18 to 54 years. The duration of topical steroid use ranged from 4 months to 20 years. The most common clinical presentation was diffuse erythema of the face. Most of the patients had rebound phenomenon on discontinuation of the steroid. The most common topical steroid used was Betamethasone valerate, which could be due to its easy availability and low cost. Conclusion: Varied clinical presentations are seen with prolonged and continuous use of topical steroids. The treatment of this dermatitis is difficult, requiring complete cessation of the offending steroid, usually done in a tapering fashion.

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Dermatoscopy is a cheap and non-invasive diagnostic technique that improves the diagnostic accuracy of non-pigmented benign and malignant skin tumors. Dermatologist should be aware of dermatoscopic features of non-melanocytic skin tumors to reach the correct diagnosis.

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Background: Dermoscopy is a useful method that allows dermal and epidermal structures to be easily analysed non-invasively. Aim: In this study, immersion oil, which is widely used in dermoscopy, and ultrasound gel, which is less preferred, are evaluated comparatively in terms of displaying structural parameters and number of air bubbles in the image. Methods: A total of 71 nevomelanocytic or non-melanocytic pigmented lesions were taken up for this study. Structural characteristics of the obtained images were assessed by an experienced observer who scored the images in terms of color, pigment network, globule, vascular structure, number of air bubbles and other pigmentation parameters. Results: In the images obtained through immersion oil or ultrasound gel from all of the lesions, no statistical difference was found between the average values of air bubbles and in the evaluation of structural components (t=1.09, P=0.2). In the identification of pigment network in melanocytic lesions, immersion oil was observed to be more appropriate than ultrasound gel (t=0.01, P=0.02). Conclusions: Ultrasound gel may be preferred in the assessment of mucosa and nail bed lesions. Ultrasound gel is a good alternative compared to immersion oil in pigmented skin lesions as it is cheap and easily removable.

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Four types of elastosis perforans serpiginosa (EPS) have been described in literature: 1) idiopathic EPS, 2) reactive perforating elastosis associated with connective tissue disorders, 3) in some instances of pseudoxanthoma elasticum (PXE), disease-specific calcified elastic tissue is extruded, producing a clinical picture indistinguishable from other types, may also be seen in patients undergoing hemodialysis and 4) EPS induced by long-term treatment with D-penicillamine is observed in patients suffering from Wilson's disease. Long term D-penicillamine therapy causes an alteration in the dermal elastic tissue. D-penicillamine induced EPS has a distinctive histopathologic feature - serrated appearance of elastic fibers due to perpendicular budding from their surface giving a "lumpy-bumpy" look. D-penicillamine induced elastic fiber alteration may not always manifest clinically as EPS. We report a case of D-penicillamine induced widespread alteration in skin elastic tissue with distinct histopathologic features.

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An Indian patient of histoid leprosy presenting de novo, having numerous solid staining bacilli inside the intact epidermis and eliminating bacilli from the intact and the eroded epidermis, is reported. The diagnosis, suggested by the clinical features, was confirmed histopathologically. This unusual report indicates possible participation of skin in leprosy transmission.

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A 55-year-old male with carcinoma in situ of urinary bladder was treated with weekly intravesical injections of Bacillus Calmette Guerin (BCG) vaccine. Three days after the sixth injection, he developed low grade fever and multiple grouped punched out, 2-3 mm ulcers around meatus and corona glandis. In addition, multiple, firm, indurated, nontender papules and few deeper nodules were present on the proximal part of glans penis, along with bilateral enlarged, matted and nontender inguinal lymph nodes. There was no history suggestive of sexually transmitted diseases and high risk behavior. Chest X-ray was within normal limits, and Mantoux, Venereal Disease Research Laboratory (VDRL) and HIV antibody tests were negative. The biopsy from the penile ulcer revealed epithelioid cell granuloma with Langhans giant cells. Fine needle aspiration cytology from the lymph node also revealed epithelioid cell granuloma and acid fast bacilli on Ziehl Neelsen's stain. The tissue biopsy grew Mycobacterium tuberculosis. The BCG immunotherapy was stopped and patient was treated with four drug antitubercular therapy with isoniazid, rifampicin, ethambutol, and pyrazinamide in standard daily doses along with pyridoxine. The edema resolved and the ulcers started healing within 2 weeks, and at 6 weeks after starting antitubercular therapy almost complete healing occurred. To the best of our knowledge, we describe the first case of an Indian patient with BCG induced primary tuberculosis of penis after immunotherapy for carcinoma urinary bladder and review the previously described cases to increase awareness of this condition in dermatologists and venereologists.

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Malaria is an infectious disease caused by protozoa of the genus Plasmodium. Cutaneous lesions in malaria are rarely reported and include urticaria, angioedema, petechiae, purpura, and disseminated intravascular coagulation (DIC). Here, five malaria cases associated with cutaneous lesions have been described. Out of the five cases of malaria, two were associated with urticaria and angioedema, one case was associated with urticaria, and other two were associated with reticulated blotchy erythema with petechiae. Most of the cutaneous lesions in malaria were nonspecific and reflected the different immunopathological mechanism in malarial infection.

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Background: Hanifin and Rajka's criteria (HRC) are the gold standard for the diagnosis of atopic dermatitis (AD). Apart from the age-related distribution and typical morphology of the lesions as defined in one of the major criteria of HRC, patients may also show nontypical morphology and localization. Aim: The aim of this study was to find the frequency of nontypical morphology and localization in Turkish AD patients with onset before the age of 18 years, who were diagnosed according to HRC. Methods: This was a methodological study based on the analysis of patients' data derived from the checklists of HRC and precise clinical documentation of each patient. A total of 321 Turkish patients diagnosed between 1996 and 2004 with the onset of AD before the age of 18 years were allocated to the study group. Results: 49.5% of patients had nontypical localization of AD, the majority being infants or children who had flexural involvement rather than the typical cheek or extremity lesions. Lichenified/exudative eczematous pattern was the most frequent morphologic type (45.5%); however, 54.5% of the patients showed combined or isolated variants, e.g. nummular and seborrheic patterns, in particular. Conclusions: A considerable amount of Turkish patients with AD before the age of 18 years presented with nontypical morphology and/or localization according to their age group. The confirmation of our findings in a multicentric prospective study would further allow a completion and correction of the diagnostic criteria of AD for age groups.

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Large congenital melanocytic nevi (>20 cm in greatest diameter) are very rare and are seen in approximately 1 in 20,000 newborns. The major risk these patients face is the development of neurocutaneous melanosis or malignant melanoma. We report a rare case of large congenital melanocytic nevus with metastatic melanoma in a 40-year-old woman. In this case, though the primary was not established with certainty, on the basis of clinical course and radiological evaluation of various organs, we presume that the primary could be in the lung.

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Modern day dermatologists conduct different esthetic and surgical procedures, with risk of infective complications. Hence, infection control practices need to be established in dermatological practice to minimize the risk of exogenous infections. These practices include hand washing, cleaning, sterilization, disinfection, operation theater sterilization and specifications. Proper hand washing after examination of each patient and prior to any surgery with a formulation containing alcohol alone or as a combination with other agents reduces the chances of transferring infections to and from patients. Sterilization and disinfection constitute the most important aspect of infection control. Disinfectants and disinfecting procedures vary according to the environment and equipment. Proper knowledge of different processes/agents for sterilization and disinfection is essential. Disinfectants for use in hospitals should always be freshly prepared and should be of adequate strength. Sterilization is carried out most commonly using steam sterilizers or ethylene dioxide sterilizers. The waste generated during practice is a potential source of nosocomial infections and should be treated as per the proper protocol and guidelines. Trained staff to carry out these practices is essential.

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Annular elastolytic giant cell granuloma (AEGCG) is a rare granulomatous and elastolytic skin disease of unknown pathogenesis. Therapy for AEGCG is controversial. The data about the effectiveness of chloroquine in the treatment of AEGCG are also variable. Here, we report a case of AEGCG with significant improvement after a total treatment period of 22 weeks with hydroxychloroquine. Although a possibility of spontaneous remission cannot be ruled out, we think that chloroquine can be considered as an effective treatment of this chronic disorder.

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Cutaneous epithelioid angiosarcoma is a rare malignant vascular tumor, most commonly affecting elderly men, and is usually located on the extremities. We report a case of an 81-year-old lady who presented with two ulcerated plaques over the right temporal and parietal scalp of 1 year duration. The right submaxillary and submandibular lymph nodes were enlarged and tender. Computed tomography (CT) scan of the head showed soft tissue swelling over parietal and temporal areas and there was no intracranial extension. Ultrasonogram of the abdomen showed hyperechoic areas in liver suggestive of secondaries. Histopathology of the skin lesion showed the dermis and subcutis composed of clusters of atypical epithelioid cells with vesicular nuclei, prominent nucleoli and eosinophilic cytoplasm with increased mitotic figures. Immunohistochemical staining revealed CD-31, 33, 34 and vimentin positivity, while cytokeratin was negative confirming the diagnosis of epitheloid angiosarcoma. This case report highlights the unusual occurrence of multicentric epitheloid angiosarcoma on the scalp with secondaries in the liver.

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Background: The current adult prevalence of HIV in India is 0.34%. HIV infected persons should have adequate knowledge about the modes of transmission of infection. This is essential for reducing the risk of secondary infection, preventing coinfection from other viruses such as hepatitis B and for protecting the uninfected. Identification of the correlates of poor knowledge among HIV positive subjects will aid in planning effective measures to improve their health knowledge about HIV. Aims: To explore HIV related knowledge among HIV positive subjects and to determine the correlates of their knowledge. Methods: The study was conducted between November 2005 and May 2007. Two hundred HIV positive subjects attending a tertiary care hospital and three non-governmental organizations in Puducherry, South India, were recruited for the study. They were interviewed using a pre-tested structured questionnaire regarding their knowledge about HIV and were divided into those with HIV knowledge score >90% and those with score ≤90%. The data were analyzed using Chi-square test and logistic regression. Odds ratio (OR) and 95% confidence intervals were also calculated. Results: The median knowledge score was 90%. Knowledge on the modes of HIV transmission was better than that on the modes by which it does not spread. Subjects who had received counseling (OR: 16.78), studied above class 10 (OR: 4.13), and those with duration of more than 1 year since diagnosis (OR: 3.12) had better HIV knowledge score (>90%). Persons counseled by HIV positive peers had a better knowledge. Conclusion: This study revealed the importance of counseling in improving the HIV related knowledge among HIV positive individuals. It also highlights the beneficial effect of peer counseling.

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Background: Lichen simplex chronicus (LSC) of the anogenital region, is a benign, extremely uncomfortable disease. Aims: As very little is known about the cause of anogenital LSC (AGLSC), we undertook this study to determine various clinico-etiological factors involved in it and to assess the frequency of AGLSC. Methods: This was a descriptive study, including 105 patients with AGLSC, who attended the Dermatology clinic in our institute from September 2007 to June 2009. Detailed history, physical examination, and relevant investigations were done. The collected data were tabulated and analyzed. Results: The frequency of AGLSC among patients presenting with anogenital pruritus was 2.54%. Primary AGLSC was more common than secondary AGLSC (69.5% vs. 30.5%). AGLSC manifested more commonly in males than in females (56.2% vs. 43.8%). The mean duration of the disease was 30.6 months. The common triggering factors for itching were sweating (41.9%), rubbing of thighs while walking for long distances (9.5%), and mental stress (5.7%). Pruritus of AGLSC was related to the intake of various food items in 37.1% of patients. In males, scrotum was the predominant site involved (89.8%), whereas in females, labia majora was the predominant site involved (78.2%). Nearly one-third of cases (30.5%) of AGLSC had some other dermatoses in the anogenital region. Conclusions: Though psychological factors are thought to play an important role in disease causation and perpetuation among AGLSC patients, their significance could not be ascertained by us.

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