• Mon, Thu and Fri 08.30 - 11.30 | 13.30 -17.00


... of the private practice for dermatology and aesthetic medicine DermatoSierre

I would like to welcome you to our homepage and briefly present you our domain of expertise.

Dermatology is the branch of medicine dealing with the screening, diagnosis, treatment and follow-up of patients affected by: diseases of the skin, diseases of the mucous membranes, diseases of the nails, diseases of the hairs.
Furthermore, cosmetic care and enhancement represents a central aim in our daily clinical practice.
You will find the detailed list of specialized consultations under the rubric « consultation ».

Our team composed by Dr. med. Giulia Virginia Vottero, Dr. med. Valentina Anna Imstepf, Mrs. Alexandra Rieille, Mrs Oriana Pruiti, Mrs Laetitia Vuilloud and by me looking forward to welcome you in Sierre.

Dr. med. Delphine Perruchoud
FMH dermatology and venereology
FMH general internal medicine

Screening, diagnostic assessment and treatment of:

  • Laser treatment for pigmentations, facial erythrosis, epilation, scars, skin aging
  • Wrinkles treatment with botox and hyaluronic acid
  • Peeling for skin imperfections
  • Sclerotherapy for varicose veins
  • Microneedling for scar treatment
  • Pemphigus
  • Bullous Pemphigoid
  • M. Duhring
  • Lupus erythematodes
  • Dermatomyositis
  • Scleroderma, Morphea
  • Acne
  • Rosazea
  • Psoriasis
  • Lichen planus
  • Lichen sclerosus
  • Granulomatous diseases, for example sarcoidosis, Granuloma annulare
  • Hidradenitis suppurativa, Acne inversa
  • Chronic venous insufficiency
  • Vasculitis
  • Teleangiectasia

Sexually transmitted diseases

  • Hair loss
  • Hypertrichosis 
  • Iontophoresis
  • Botulinum toxin
  • Bacterial
  • Viral, for example warts
  • Fungal
  • Parasitic
  • Contact dermatitis 
  • Toxic dermatitis 
  • Occupational dermatosis
  • Atopic dermatitis
  • Seborrheic dermatitis
  • Nummular dermatitis 
  • Drug reaction 
  • Urticaria

Pediatric dermatology

  • Neurodermitis
  • Kontaktekzem
  • Nesselfieber
  • Infektiöse Exantheme
  • Warzen
  • Molluscum contagiosum
  • Onychomycosis
  • Inflammatory diseases, for example psoriasis of the nails 
  • Vitiligo
  • Hyperpigmentation
  • Hypopigmentation
  • Age spot
  • In case of skin diseases
  • In case of internal diseases

Dermatoses of the pregnancy

  • Melanoma
  • Basalioma / basal cell carcinoma
  • Actinic keratosis
  • Spinalioma / squamous cell carcinoma 
  • Naevi (Mole)

Dr. med. Delphine Lydie Perruchoud

2020 specialist FMH general internal medicine
2016-2020 Senior physician, Hospital of Fribourg
2015-2016 Chief resident, Department of Dermatology, University Hospital of Bern
2015-2016 Supervisor of the consultation for phlebology, Department of Dermatology, University Hospital of Bern
2015-2016 Diploma of phlebology, University Pierre et Marie Curie, Paris, France
2015 Training course in aesthetic dermatology by Dr Doris Hexsel, Porto Alegre, Brazil
2015 Certificate of achievement in laser medicine, FMCH types I, II, III, IV, V1, V2 and VI
2015 Specialist FMH in dermatology and venereology
2013-2016 Consultant dermatologist, Hospital of Fribourg
2010-2015 Dermatology resident, University Hospital of Bern
2008-2010 Internal medicine resident, Hospital of Fribourg
2007 Surgery resident, Hospital of Fribourg
2006 Doctor of medicine, University of Bern
2005 Traineeship in plastic surgery, Concord Hospital of Sidney, Australia
2000-2006 Medical school, University of Fribourg and University of Bern
2000 Maturity, High school Spiritus Sanctus in Brig
  • Patterns among patients with chronic pruritus: a retrospective analysis of 170 patients. Acta Derm Venereol. 2020 Jan 17. Perruchoud DL, Lehmann M, Cazzaniga S, Simon D, Borradori L, Rammlmair A.
  • Lasers en dermatologie. Saurat J-H, Lipsker D, Thomas L, Borradori L, Lachapelle J-M:  Dermatologie et infections sexuellement transmissibles. Ed 6Elsevier / Masson. D. Perruchoud, M. Adatto.
  • A case of generalized lichenoid reaction upon red permanent lip-liner make-up. J Dermatol Res Ther ISSN 2469-5750. Perruchoud DL, Kiermeir DM, Adatto MA, Lam MC, Borradori L, Simon D.
  • Prurigo pigmentosa in white monozygotic twins. JAMA Dermatol 2017. Houriet C, Perruchoud DL, Beltraminelli H, Borradori L.
  • Treatment of sporadic port-wine stains: a retrospective review of 17 cases consecutively treated by pulsed sequential dual wavelength 595 and 1064 nm laser. J Eur Acad Dermatol Venereol 2016. Perruchoud DL, Cazzaniga S, Heidemeyer K, Weber B, Dietrich N, Borradori L, Adatto MA.
  • Chronische Ulzera mit akuter Cellulitis. Forum Med Suisse 2016;16:668-71. Büchi AE, Räber I, Perruchoud D, Hauser CV.
  • Bowen disease of the nail unit: a retrospective study of 12 cases and their association with human papillomaviruses. J Eur Acad Dermatol Venereol 2016;30:1503-6. Perruchoud D.L., Varonier C., Haneke E., Hunger R.E., Beltraminelli H., Borradori L., Ehnis-Pérez A.
  • La collagénose perforante acquise. Forum Med Suisse 2016;16(20):454-456. Rich M., Perruchoud D.L., Feldmeyer L.
  • Chronische orale lichenoide Veränderungen. Coup d’œil. Derm. Hel. 2015;27(7):16-18. Perruchoud D.L., Häfliger S., Beltraminelli H., Kuenzli S., Borradori L.
  • Subunguales Melanom der Nagelmatrix mit longitudinaler Melanonychie : Stellung der konservativen chirurgischen Therapie. Klinischer Fall. Derm. Hel. 2015;27(5):20-22. Joggi I.A., Perruchoud D.L., Hunger R., Beltraminelli H., Blum R., Haneke E.
  • Epidémiologie des ulcères de jambes, réflexions critiques. Phlébologie 2015, 68e année, 4 nos par an, N° 1. Perruchoud D.L., Ramelet A.A.
  • Phlebektomie nach Muller. Phlebologie 6/2014. A.-A. Ramelet, D. L. Perruchoud.
  • Choc anaphylactique intraopératoire sur bleu patenté V. Swiss Medical Forum 2014;14(2728):520-521. Perruchoud DL, Olariu R, Hunger RE, Helbling A, Kiermeir DM.
  • Acute peripheral unilateral facial nerve paralysis following minor surgery. Eur J Dermatol. 2014 May 29. Perruchoud DL, Hunger RE, Constantinescu MA, Borradori L, Kiermeir DM. 
  • A tattoo complicated by allergic contact dermatitis and panniculitis. J Eur Acad Dermatol  Venereol. 2014 Jan;28(1):127-8. Tang MM, Beltraminelli H, Perruchoud D, Pelivani N, Borradori L, Simon D.
  • FMH - Swiss Medical Association
  • SGDV - Schweizerische Gesellschaft für Dermatologie und Venereologie
  • SFP - Société Française de Phlébologie

Dr. med. Giulia Virginia Vottero

2016- today PhD in Medical Sciences, University of Liege (BE)
2019 FMH in Plastic, reconstructive and aesthetic surgery, Bern
2018 Boarding in Plastic, reconstructive and aesthetic surgery, Federation Wallonie-Bruxelles (BE)
2015-2018 Plastic and maxillo-facial surgery, CHU of Liege (BE)
2016-2017 Fellowship in Plastic and reconstructive surgery, European Institut of Oncology, Milan (IT).
2014- 2015 Hand surgery, CHU of Liege (BE)
2013 FMH of General Practitioner
2012- 2014 Surgery, CHU of Liege (BE)
2012 Stage in Oculoplasty and orbito-palpebral surgery, Ophtalmic Hospital “Jules-Gonin”, Lausanne
2009- 2011 Heart and vascular surgery, CHUV, Lausanne
2008- 2009 Intensive care unit, Cantonal Hospital of Fribourg
2007- 2008 Surgery, Cantonal Hospital of Fribourg
2006 Doctor of Medecine, University of Turin (IT)
2000- 2006 Faculty of Medecine, University of Turin (IT)
2000 High School Diploma, High school « P. Gobetti », Venaria Reale (IT)
  • « Aortic root perforation after BioSTAR® percutaneous closure of patent foramen ovale” G.V. Vottero, L. Niclauss, M. Hurni, C. Marcucci, L.K. von Segesser.
    J Card Surg 2011, 1-3

Dr. med. Valentina Anna Imstepf

2018 – today Dermatology resident, University Hospital of Bern
2018 Dermatology resident, private practice Dr. med. W. Bayard, Bern
2016 – 2017 Internal medicine resident, Hospital of Tafers
2016 Doctor of medicine, University of Bern
2016 Master of medicine, University of Bern
2012 – 2013 Bachelor of medicine, University of Fribourg (Bilingual French – German)
2010 – 2012 Master of science in biomedical sciences, University of Bern (English), Diploma completed with „insigni cum laude“
2007 – 2010 Bachelor of science in biomedical sciences, University of Fribourg
2002 – 2007 Maturity, Brig, Bilingual (French-German) Language stay at Collège de la Planta, Sion (2003-2004)

Appointment & Consultation

Monday 08.30 - 11.30 and 13.30 - 17.00

Thuesday 08.30 - 11.30 and 13.30 - 17.00

Friday 08.30 - 11.30 and 13.30 - 17.00

Saturday on request


Dr. med. Delphine Perruchoud
FMH dermatologie et vénéréologie
FMH médecine interne générale
Avenue Général-Guisan 15
3960 Sierre

Dr. med. Delphine Perruchoud
FMH dermatologie et vénéréologie

Avenue Général-Guisan 15
3960 Sierre
Phone: 027 527 24 24