DERMATOLOGY

Dermatology Department of Koç University is pioneering the advanced-level basic and clinical trials and organized trainings on preventive medicine to meet all needs of the general population in dermatology by closely monitoring modern medical practices while healthcare services are delivered to patients and general population at international standards. We always rely on evidence-based scientific data and ethical values and work in cooperation with other disciplines in delivery of healthcare service to our patients.

Our team aims to make the latest technologies available for patients within the shortest time possible by closely monitoring all advancements in this discipline. All diseases of skin, hair, nail and oral and anogenital mucosa are managed at our general outpatient clinics and also at inpatient clinic, if required, while our disease-specific outpatient clinics aim to provide our patients with further specialized services.



Monday​

  • Outpatient Clinic for Atopic Dermatitis: Prof. Savaş Yaylı, M.D.; Bengisu Özarslan Ercis, M.D.

Atopic Dermatitis (AD) is a chronic and recurrent inflammatory skin condition characterised by a weakened skin barrier, an imbalance in the immune system, and changes in the microbial balance (microbiota) on the skin. AD is not merely a matter of itching or visible skin changes; it is a dynamic process in which barrier dysfunction and systemic inflammation feed into each other, creating a vicious cycle. Therefore, we approach atopic dermatitis as a systemic health issue that affects both the structural integrity of the skin and long-term quality of life. Our goal is not merely short-term relief, but sustainable disease control and lasting skin health.

Personalised and Targeted Treatment:

At our clinic, we apply a precision medicine model that takes into account the biological differences among patients. Our primary aim is to achieve comprehensive recovery that alters the course of the disease, rather than merely temporarily suppressing symptoms such as itching and sleep disturbance.
  • Barrier repair: Rebuilding the skin’s protective layer to break the cycle of irritation.
  • Inflammation control: Using targeted treatments such as dupilumab and JAK inhibitors to calm and manage an overactive immune response.
  • Prevention of flare-ups: Proactive management strategies to maintain long-term remission.

UCARE Sertifikası
ACARE Sertifikası
 
  • Outpatient Clinic for Acne and Rosacea: Assoc. Prof. Asude Kara Polat, M.D.

In our Acne and Rosacea Clinic, these conditions are not merely superficial or cosmetic issues; they are approached as chronic dermatological diseases associated with inflammation, barrier dysfunction, microbial balance, vascular responses and immune regulation. Taking into account the type, severity, duration and individual triggering factors of the condition, personalised and evidence-based treatment plans are developed. In line with this, topical and systemic medical treatments, protocols targeting inflammation and barrier integrity, and approaches aimed at preventing the development of comedones and scars are planned. In suitable patients, energy-based systems, vascular-targeted applications, lesion-focused interventional methods and supportive dermocosmetic protocols are integrated into the treatment process.

The aim is not only to bring active lesions under control but also to prevent relapses, strengthen the skin barrier, reduce permanent scarring and vascular changes, and safeguard patients’ long-term skin health. Given the chronic nature of acne and rosacea, sustainable treatment success is targeted through regular follow-ups and personalised care strategies.

ADCARE Sertifikası

 

Tuesday

  • Outpatient Clinic for Urticaria (Hives): Bengisu Özarslan Ercis, M.D.

At our clinic, we offer a holistic approach aimed at accurate diagnosis, personalised treatment and long-term management of all types of urticaria. Our aim is not merely to provide temporary relief, but to control symptoms in the long term, reduce the frequency of flare-ups and sustainably improve our patients’ quality of life.

What do we treat?

Urticaria is not merely a simple rash; it is a condition that arises through various mechanisms, can become chronic, and significantly impacts quality of life. At our clinic, we diagnose and treat the following conditions:
  • Acute urticaria: Itchy, red, and raised welts that appear suddenly and last for less than 6 weeks
  • Chronic spontaneous urticaria: Urticaria lasting longer than 6 weeks, occurring without a clear external trigger
  • Inducible urticaria: Types of urticaria triggered by physical factors such as cold, heat, pressure, exercise or friction
  • Angioedema: Deeper, sometimes painful swelling seen on the lips, around the eyes, on the face or on the hands

Our Approach to Diagnosis and Treatment:

Identifying the underlying cause of urticaria is not always straightforward. Therefore, a systematic and personalised assessment is carried out for each patient:
  • Detailed patient interview (duration of symptoms, triggers, frequency and impact on daily life)
  • Targeted investigations where necessary
  • A personalised treatment plan tailored to the type and severity of the urticaria, as well as the patient’s lifestyle

 

  • ​Outpatient Clinic for Psychodermatology: Assoc. Prof. Asude Kara Polat, M.D.

At our Psychodermatology Outpatient Clinic, skin conditions are addressed not merely through skin findings, but by evaluating the mind-skin interaction, stress response and neuroimmune mechanisms together. In many dermatological conditions, psychological factors can trigger flare-ups or influence the course of the disease. Therefore, a holistic approach is adopted during the treatment process.


Clinical assessment is planned through a detailed dermatological examination and an analysis of the psychosocial impacts of the condition. Where necessary, a multidisciplinary treatment programme is established in collaboration with psychiatry.


The aim is not merely to control skin symptoms, but to reduce relapses, improve quality of life and support long-term well-being. Sustainable treatment success is targeted through regular follow-up and personalised care strategies.

 
  • Outpatient Clinic for Hidradenitis Suppurativa (Chronic Follicular Abscess): Hande Ermiş Akkuş, M.D.

Chronic hidradenitis suppurativa is a chronic, inflammatory and recurrent skin condition originating from hair follicles. It commonly affects areas such as the groin, armpits, inner thighs, anogenital region, buttocks and breast skin. The condition may present with painful nodules developing beneath the skin, draining abscesses and scarring. The resulting discharge, pain, restricted movement, foul odour or cosmetic issues can negatively impact quality of life. Furthermore, the condition is not merely a skin disease but may co-occur with other conditions (such as heart, bowel, kidney or joint diseases). Early diagnosis creates a window of opportunity for treatment and is the most important factor in preventing the progression of the disease and permanent tissue damage. At our clinic, hidradenitis suppurativa is managed using a multimodal approach based on current guidelines, incorporating lifestyle changes, medical and surgical treatments. At our outpatient clinic, we aim to reduce the burden of the disease on quality of life and achieve long-term disease control.
 

Wednesday

  • ​Outpatient Clinic for Psoriasis: Prof. Savaş Yaylı, M.D.; Assoc. Prof. Asude Kara Polat, M.D.

At our Psoriasis (Psoriasis) Outpatient Clinic, the diagnosis and treatment of psoriasis (a chronic inflammatory condition that can present in various clinical forms, including the classic red, scaly plaques) are carried out by our team, which possesses many years of clinical experience in this field. Accurate diagnoses and personalised treatment plans are developed based on the type, extent and individual characteristics of the condition.

The aim of treatment is not merely to reduce lesions, but to achieve the goal of ‘completely clear’ lesion-free skin, thereby bringing the condition under long-term control. To this end, current topical and systemic treatments, injection-based modern biological therapies, and supportive skin care approaches are applied in accordance with evidence-based guidelines. Taking into account the chronic nature of psoriasis, effective, safe and sustainable treatment is provided through regular follow-up and long-term treatment strategies.

 

  • ​Outpatient Clinic for Dermatology-Oncology: Hande Ermiş Akkuş, M.D.

At our dermatological oncology clinic, the early diagnosis, treatment and long-term follow-up of skin cancers and cutaneous lymphomas are carried out using a multidisciplinary approach. We provide services in the diagnosis and treatment of atypical moles and malignant skin lesions, particularly melanoma, non-melanoma skin cancers (squamous cell carcinoma and basal cell carcinoma), mycosis fungoides and rare skin tumours, in accordance with current scientific evidence and international guidelines.


At our clinic, we aim to detect malignant skin lesions at an early stage using hand-held dermatoscopy and computerised digital dermatoscopy (Fotofinder); patients are closely monitored, taking their individual risk factors into account. We work in close collaboration with dermatopathology during the diagnostic process, and treatment and follow-up plans are developed in coordination with the relevant surgical, oncology and radiation oncology departments.


Our clinic, which adopts the latest diagnostic and treatment approaches in the field of dermato-oncology, aims to offer patients both early diagnosis and safe, effective treatment options.

 

Thursday

  • Outpatient Clinic for Regenerative Dermatology and Rejuvenation: Assoc. Prof. Asude Kara Polat, M.D.; Hande Ermiş Akkuş, M.D.

At our Outpatient Clinic for Regenerative Dermatology and Rejuvenation, skin rejuvenation is approached not merely as a cosmetic improvement, but as a holistic process related to cellular renewal, tissue biology and repair mechanisms. The aim is to biologically reconstruct skin functions impaired by ageing and environmental factors and to improve tissue quality in the long term.

Clinical assessment, supported by a detailed dermatological examination and diagnostic methods where necessary, enables the development of personalised regenerative treatment plans. Within this framework, treatments targeting cellular renewal and collagen remodelling, bioactive agents, interventional approaches that trigger tissue repair, and energy-based systems in suitable patients are integrated into the treatment process.

Strengthening the skin barrier, controlling inflammation and preserving tissue integrity form the foundation of treatment plans in terms of the sustainability of the regenerative effect. Accordingly, topical protocols and long-term care strategies tailored to individual needs are implemented.
 
  • Skin & Hair Longevity and Healthy Ageing: Bengisu Özarslan Ercis, M.D.

Scientific Strategies for Biological Age Management: Our Skin and Hair Longevity Programme aims to support and optimise skin and hair health, resilience and appearance at a cellular level.

Proactive and Reactive Approach: Most treatments focus on correcting issues such as wrinkles or hair loss once they have appeared. The Longevity approach, however, centres on protection and regeneration.

To support long-term skin and hair health, we draw on the latest scientific evidence in the fields of cellular ageing (senescence) and tissue repair. As part of this approach:
  • We aim to strengthen the skin’s natural repair and renewal mechanisms.
  • We implement strategies aimed at preserving and biologically stimulating the natural collagen structure before any significant loss occurs.
  • We develop targeted protocols to reduce the effects of UV damage and environmental oxidative stress.
  • We utilise advanced assessment and diagnostic methods to support the skin microbiome and lipid barrier in remaining resilient against the ‘inflammaging’ (ageing associated with inflammation) process.
    Hair and Scalp Health: For hair longevity, the focus is on providing a healthy microenvironment for the follicle (hair root).
  • Follicular Health Screening: Assessment of scalp health and early signs of thinning.
  • Growth Factor Treatments: Utilising biological signals to rejuvenate dormant or weakened hair follicles.
  • Nutritional Guidance: Evidence-based supplement advice to support the building blocks of hair keratin.


Friday

  • ​​Outpatient Clinic for Autoimmune Bullous Diseases: Prof. Savaş Yaylı, M.D.

Autoimmune bullous diseases are a group of autoimmune skin conditions, primarily including pemphigus and pemphigoid, characterised by fluid-filled blisters and erosions on the skin and mucous membranes, where accurate diagnosis and treatment are of paramount importance. At our clinic, the diagnosis and follow-up of these conditions are carried out meticulously by our experienced physicians using the latest diagnostic methods.


Our team, with many years of clinical experience in the field of autoimmune bullous diseases, has contributed to the development of current European disease guidelines. Our patients are managed in accordance with international guidelines, receiving not only conventional treatments but also the latest and most effective treatment options, such as biological therapies including rituximab, dupilumab and omalizumab.  
 

  • Outpatient Clinic for Hair Disorders and Scalp Health: Hande Ermiş Akkuş, M.D.; Bengisu Özarslan Ercis, M.D.

Hair loss (alopecia) is a condition that can develop due to many causes and affects quality of life and an individual’s mental well-being. Alopecia and scalp issues are not merely aesthetic concerns but medical conditions requiring a systematic and evidence-based approach. At our clinic, we combine our clinical expertise with advanced diagnostic tools to diagnose conditions such as alopecia areata, androgenetic alopecia, telogen effluvium and alopecias leading to permanent hair loss, thereby identifying the root cause of your hair problems and creating a roadmap for the restoration and protection process, and we address your hair loss in conjunction with all your skin findings.

  • Androgenetic Alopecia: Male and female pattern hair loss.
  • Telogen Effluvium: Rapid hair shedding typically triggered by stress, illness or hormonal changes.
  • Alopecia Areata (Patchy Hair Loss): Patchy hair loss caused by the immune system.
  • Scarring Alopecia: Types of hair loss, including Frontal Fibrosing Alopecia and Lichen Planopilaris, where early intervention is critical to prevent permanent loss.


Diagnostic methods we use during examination:

  • Digital Trichoscopy: High-magnification imaging of the scalp and hair shafts to identify microscopic signs of the condition.
  • Laboratory Assessment: Targeted blood tests to assess nutritional deficiencies, hormonal imbalances or autoimmune markers.
  • Scalp Biopsy: Where necessary, a small tissue sample is analysed by a dermatopathologist to confirm complex inflammatory or permanent (scarring) hair loss conditions.


Treatment involves the use of topical agents, various injection therapies, systemic agents and new-generation biological agents; we also utilise mesotherapy (injected into the scalp) containing growth factors and medication, PRP (platelet-rich plasma) treatments, and laser therapy to stimulate hair follicles in suitable patient groups to maintain scalp health.

For treatment, we aim for long-term success by taking a holistic approach that considers the individual’s lifestyle and other medical conditions, offering personalised treatments and supporting the hair growth cycle.
 


Some of the key diagnostic and treatment procedures in our Dermatology Department are as follows:
  • Computerised dermatoscopy / Mole mapping
  • Phototherapy: PUVA / Narrowband UVB / local phototherapy applications
  • Skin biopsy / Direct immunofluorescence examination
  • Surgical removal of moles (excision)
  • Cryotherapy
  • Electrocauterization
  • Patch test (T.R.U.E. Test)
  • Intralesional treatments
  • Vascular laser treatments: Nd-YAG and Pulsed Dye Laser (PDL)
  • Ablative laser treatments (Er-YAG)
  • Laser skin rejuvenation and scar treatments
  • PRP, mesotherapy
  • Chemical peeling procedures
  • Filler treatments
  • Mineral injection / lifting (calcium hydroxyapatite)
  • Botulinum toxin treatments (ageing and sweating)
 
In our Dermatology Department, we regularly convene the following boards to make comprehensive decisions regarding the diagnosis and treatment of our patients:
 
  • Dermatology-Oncology Board
  • Dermatology-Rheumatology Board
  • Dermatopathology Board

ABLOK ABLOK
1.Kat 1Floor
08:00 - 17:00 08:00 - 17:00
Monday - Friday Monday - Friday

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FREQUENTLY ASKED QUESTIONS

In addition to dermoscopy, interventional dermatology/dermatosurgery, cosmetic dermatology procedures and laser treatments used in the diagnosis, treatment and follow-up of all skin diseases, our department provides specialist outpatient clinic services for disease groups such as atopic dermatitis, urticaria, psoriasis, hidradenitis, dermato-oncology and autoimmune bullous diseases.
The skin is our largest organ, covering the entire body. Whilst the skin is susceptible to a wide range of conditions, it can also be affected by internal diseases; indeed, the first signs of internal illnesses may sometimes manifest on the skin. Today, there are over 1,500 recognised skin conditions and their variants. Our patients most frequently visit the dermatology outpatient clinic with the following complaints.

Itching, skin rashes, fungal infections, eczema, acne, psoriasis, rosacea, hair and nail disorders, hidradenitis suppurativa, skin discolouration, urticaria, moles, infectious skin diseases, contagious skin diseases, sexually transmitted skin diseases, cutaneous manifestations of metabolic and systemic diseases, inflammatory skin diseases, haemangioma, vascular birthmarks and lesions, hereditary skin diseases, skin tumours, cutaneous lymphoma, skin cancer, melanoma, autoimmune bullous diseases and Behçet’s disease.

Diagnostic services:

  • Skin biopsy (punch, incisional, shave, excisional)
  • Dermatoscopy
  • Wood’s light examination
  • Pathergy test
  • Autologous serum skin test
  • Tzanck smear test
  • Fungal examination under a light microscope
  • Demodex examination under a light microscope
  • Skin patch test (T.R.U.E. Test)

Therapeutic services:

  • Cryotherapy
  • Electrocauterization
  • Intralesional injection therapy
  • Botox botulinum toxin treatment for hyperhidrosis
  • Nail wire application, nail removal
  • Phototherapy
  • Laser treatment for vascular lesions (Pulse Dye Laser, Nd-YAG laser)

Disease monitoring:

  • Dermatology-Rheumatology Board
  • Dermatology-oncology board
  • Digital dermatoscopic mole monitoring, mole mapping
  • Dermatopathology meeting
  • Specific outpatient clinics (Behçet’s disease, atopic dermatitis, urticaria, psoriasis, autoimmune bullous diseases, hidradenitis suppurativa, dermato-oncology, hair disorders, acne and rosacea)

Cosmetic dermatology:

  • Aesthetic botulinum toxin treatments
  • Aesthetic dermal filler treatments (lips, cheeks, under-eye light fillers, etc.)
  • PRP (Platelet-rich plasma therapy; for skin rejuvenation and hair loss)
  • Hair and facial mesotherapy (youth vaccines, salmon DNA, hyaluronic acid combinations)
  • Microneedling
  • Non-ablative & ablative laser rejuvenation (face, eye area, neck, hands)
  • Needle-free lip rejuvenation with LipLase
  • Laser treatment for scars & stretch marks
  • Laser treatment for acne and acne scars