Safety of Laser Hair Removal in Patients Receiving Systemic Isotretinoin for Acne Vulgaris.

Background: A few reports on scar and keloid formation in patients receiving systemic isotretinoin have encouraged a conservative approach in which laser procedures are delayed during and 6 to 12 months after the completion of treatment.

Objective: To assess the safety of laser hair removal with alexandrite, diode, and Nd:YAG lasers in patients receiving systemic isotretinoin treatment.

Materials And Methods: Fifty-two patients who underwent laser hair removal during isotretinoin treatment were retrospectively analyzed and compared with a control group for side effects.

Has the COVID-19 pandemic changed attitudes and behaviors concerning cosmetic care and procedures among patients presenting to the dermatology outpatient clinic? A multicenter study with 1437 participants.

Background: The rate of cosmetic procedures and use of skincare products is considered to be affected during the pandemic period; however, this has not been investigated yet.

Objective: To determine whether the ongoing pandemic has changed people's habits related to skincare products and cosmetic procedures.

Methods: We conducted a multicenter survey study covering both private and public hospitals.

A case of elephantiasis nostras verrucosa treated successfully by a new type of compressive garment.

Elephantiasis nostras verrucosa (ENV) is a clinical manifestation composed of hyperkeratotic, verrucous, and papillomatous lesions and dermal fibrosis, which complicate chronic lymphedema. There is currently no cure for ENV, however, several measures have been used to reduce lymphedema and the resultant pseudoepidermal hyperplasia. Supportive dressings and compression therapy still constitute an important part of the treatment.

The investigation of the amounts and expressions of epidermal growth factor, epidermal growth factor receptor, and epidermal growth factor receptor gene polymorphisms in acne vulgaris.

Background: Epidermal growth factor receptor inhibitors (EGFRI) used in cancer chemotherapy cause acneiform folliculitis in 70%-100% of patients in a dose-dependent manner. Acneiform folliculitis is considered to be caused by an inflammatory process due to follicular hyperkeratosis and subsequently a set of changes both in epidermis and hair follicles as a result of epidermal growth factor receptor (EGFR) blockade. Both acne vulgaris and acneiform folliculitis due to EGFRIs show similar changes in the pilosebaceous unit.

The efficacy and safety of high-intensity focused ultrasound on upper arm laxity treatment: Our experience with five patients.

Background: High-intensity focused ultrasound is approved by FDA for both upper face and lower face, neck laxity and for decollete rejuvenation. It produces micro-focused thermal damage on the dermis and superficial muscular aponeurotic system layer at precise depth and with this thermal stimulus the collagen denaturation and subsequent neo-collagenosis occur. High-intensity focused ultrasound (HIFU) effects on body laxity has also been used in some studies but it has not been approved yet.

An unusual lesion on the nose: microvenular hemangioma.

Microvenular hemangioma (MVH) is an acquired, benign type of hemangioma that usually manifests itself as a solitary, slowly growing, red to violaceous, asymptomatic papule, plaque or nodule. It is typically located on the trunk or extremities of young adults. It can be difficult to differentiate MVH from other types of hemangioma and Kaposi sarcoma.

Terra Firma-Forme Dermatosis Misdiagnosed as Nevoid Acanthosis Nigricans.

Terra firma-forme dermatosis (TFFD) is a clinical condition characterized by brown-gray, velvety, pigmented patches or plaques, resembling dirt on the skin. Nevoid acanthosis nigricans (NAN) is a rare and recently described form of acanthosis nigricans occurring during childhood or early adulthood. Herein we describe a patient with TFFD, initially misdiagnosed as NAN.

Comedones Induced by Vascular Laser Therapy.

A 21-year-old female presented with acne-like blackheads on brownish areas located on the cheek. She had been treated with neodymium-doped yttrium aluminium garnet (Nd-YAG) laser (1071 nm), 160 j/cm(2), three months ago for erythema and telangiectasia of her face. Afterwards, she developed atrophic, slightly depressed, hyperpigmented, 3-4 mm scars with superimposed tiny comedones within the treated areas.

An Extraordinary Manifestation of Nodular Cystic Fat Necrosis.

Nodular cystic fat necrosis (NCFN) is characterized by mobile subcutaneous nodules composed of necrotic adipocytes encapsulated by fibrous tissue. The classical presentation of NCFN is solitary or multiple, up to 40, discrete nodules scattered usually on the extremities or trunk. Here, the authors present an elderly woman who developed an unusual and striking clinical picture of NCFN, two months after a fall.

The Epidemiology of Non-Melanocytic Benign and Malignant Skin Tumors in Pediatric Patients Attending to the Dermatology Department.

Background: Non-melanocytic skin tumors are rarely seen in pediatric patients; although they are mostly benign, they remain to be elucidated by histopathological examination. The objective of the study was to describe the epidemiology of non-melanocytic skin tumors in children attending to our dermatology department.

Method: The histopathologic studies of all skin punch and excisional biopsies of children up to 16 years old referred to our dermatology department between January 2007 and January 2012 were reviewed retrospectively.

Prevalence of Congenital Cutaneous Anomalies in 1000 Newborns and a Review of the Literature.

Objective: There are limited reports studying on congenital cutaneous anomalies in newborns, particularly in Turkey. Some of congenital cutaneous anomalies serve as an important clue for accompanying syndromes or other medical conditions. This study aimed to determine the prevalence of congenital cutaneous anomalies in newborns and to discuss their clinical significance with a brief review of literature.

Is it a sarcoidal foreign-body granuloma or a cutaneous sarcoidosis on a permanent eyebrow make-up?

Permanent make-up is a kind of cosmetic tattoo in which the colorants (pigments) are deposited in dermis after piercing the skin by tiny solid needles. It may cause some adverse effects such as local inflammation, infection, and allergic reactions on the skin and even systemic adverse effects such as sarcoidal reactions. Here the case of a 34-year-old woman who has some yellowish hard shiny papules on her eyebrows after having a permanent make-up is described.

Blastic plasmacytoid dendritic cell neoplasm: skin and bone marrow infiltration of three cases and the review of the literature.

Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a distinct and rare neoplastic entity and was classified as a subgroup of acute myeloblastic leukemia by the WHO in 2008. The median survival of patients was 15.2 months in a large case series.

Hepatitis C and hepatitis B virus infections in the etiopathogenesis of pemphigus.

Background: Previous studies have shown that some viral infections may be triggers for autoimmune diseases. The role of viral infections in the etiopathogenesis of pemphigus has also been investigated.

Objectives: To investigate the relationship between pemphigus and the hepatitis B and C virus infections.

Parotid tuberculosis associated with cutaneous tuberculosis on a medial epicanthus.

An 83-year-old woman presented with a 2-month history of a gradually enlarging, reddish, crusted papule on her left medial epicanthus. Her medical history did not reveal any systemic disease. She gave no personal history of tuberculosis or any systemic symptoms, such as night sweat, weight loss, and pulmonary abnormalities.

A favourable response to surgical intervention and hyperbaric oxygen therapy in pyoderma gangrenosum.

Pyoderma gangrenosum (PG) is a neutrophilic dermatosis characterised with ulcerations. Inflammatory bowel diseases (ulcerative colitis and Crohn's disease) and haematologic diseases (leukaemia, preleukaemia and monoclonal gammopathy) have been reported in about 40-50% of PG patients in whom the treatment of the underlying disease is important for the improvement of the lesions. We herein report a colorectal adenocarcinoma patient with PG, who responded partially to topical treatments and systemic immunosuppressants and healed completely with the aid of surgical wound repair and hyperbaric oxygen therapy.

Variable clinical presentations of Classic Kaposi Sarcoma in Turkish patients.

Background: Kaposi sarcoma (KS) is a vascular neoplasm with multicentric cutanenous and extracutaneous involvements, which was first described by Moriz Kaposi in 1872. Since then, different epidemiological clinical and histopathological variants of this neoplasm have been identified. Classic Kaposi sarcoma (CKS) is one of four main clinico-epidemiologiologic variants.

Variable clinical presentations of secondary delusional infestation: an experience of six cases from a psychodermatology clinic.

Objective: Delusional Infestation (DI) is a relatively rare condition with a fixed belief of being infested with living organisms, despite a lack of medical evidence of such infestation. Although it seems to be a psychiatric disease, patients commonly are admitted to dermatology clinics because of skin findings. Psychiatrists can underestimate its prevalance, whereas dermatologists can miss the diagnosis.

Linear atrophoderma of Moulin on the neck.

Background: Linear atrophoderma is a rare disease, first described by Moulin in 1992 in 5 patients. It is an acquired unilateral hyperpigmented, depressed band-like areas following the lines of Blaschko. It affects children or adolescents of both genders involving the trunk or the limbs.

Allergic contact dermatitis mimicking angioedema due to paraphenylendiamine hypersensitivity: a case report.

Active sensitization to paraphenylendiamine (PPD) and related compounds from temporary black henna tattoos has become an epidemic in the recent years. Hair dyes also include PPD like black henna tatoos which cause allergic contact dermatitis. Skin lesions of allergic contact dermatitis from PPD are mostly seen as an exudative erythema, an erythema multiforme-like eruption or a bullous contact dermatitis.

Waardenburg Syndrome type 1: A case report.

Waardenburg Syndrome (WS) is a rare hereditary disorder that is characterized by the clinical manifestations of oculocutaneous anomalies of pigmentation, congenital deafness, dystopia canthorum, and broad nasal root. It demonstrates both genetically and clinically heterogenous characteristics. In this article, we report an 11-month-old boy with WS1, one of four clinicat types of WS.

Lupus erythematosus and lichen planus overlap syndrome:a case report with a rapid response to topical corticosteroid therapy.

Lupus erythematosus (LE) and lichen planus (LP) may occur as an overlap syndrome. We report the clinical characteristics of a young man with lesions diagnosed as LE and LP by histopathological and direct immunoflurosence examinations. We achieved remarkable clinical response from the treatment with topical corticosteroids and no recurrence was seen in a 6 months of follow up time.

A giant benign clear cell hidradenoma on the anterior trunk.

Clear cell hidradenoma (CCH) is an uncommon variant of benign cutaneous adnexal tumors. These tumors are clinically asymptomatic, solitary dermal nodules. They occur most frequently on the scalp, face abdomen and extremities.