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Dr Sandra Guillen

DVM DipECVIM-CA (Oncology) MRCVS
Lecturer in Veterinary Oncology

Department: Clinical Science and Services

Campus: Hawkshead

Clinical Groups: Small Animal Oncology

Sandra graduated from the Autonomous University of Barcelona in 2013. After graduation, she undertook a general internship at the small animal teaching hospital from the same university and worked for six months in a referral emergency hospital. From 2016 to 2019 she completed an oncology internship followed by an ECVIM approved oncology residency at the Small Animal Teaching Hospital from the University of Liverpool. Sandra worked as a lecturer in small animal oncology at the same institution until 2020. She was awarded the ECVIM-CA Diploma in Oncology in 2021, becoming a European recognised Specialist in Veterinary Oncology. Her main research interests include feline oncology, cancer epidemiology, and tumour biomarkers.

Rogato F,  Szladovits B,  Martineau H, Yale A, Mitchell J, Holmes E, Gardner R, Guillén A. Leukemia cutis as a prominent clinical sign in a dog with acute myeloid leukemia. Vet Clin Pathol.  2024; 00: 1-10.

Yale AD, Crawford AL, Gramer I, Guillén A, Desmas I, Holmes EJ. Large granular lymphocyte lymphoma in 65 dogs (2005-2023). Vet Comp Oncol. 2024 Mar;22(1):115-124.

Wyatt EK, Affolter V, Borio S, Guillén A, Verganti S, Murphy S, Ballarini D, Banovic F, Schmidt V, Tanis JB. Mastocytosis in the skin in dogs: A multicentric case series. Vet Comp Oncol. 2024 Mar;22(1):136-148.

Marks TA, Rossanese M, Yale AD, Stewart S, Smallwood K, Rigas K, Guillén A. Prognostic factors and outcome in cats with thymic epithelial tumours: 64 cases (1999-2021). J Small Anim Pract. 2024 Jan;65(1):47-55.

Rogato F, Tanis JB, Pons Gil B, Pittaway C, Johnston CA, Guillén A. Clinical characterisation and long-term survival of paediatric and juvenile lymphoma in cats: 33 cases (2008-2022). J Small Anim Pract. 2023 Dec;64(12):788-796. 

Rossanese M, Williams H, Puerta B, Scott P, Chanoit G, Guillén A. Prevalence of malignancy and factors affecting outcome of cats undergoing splenectomy. J Am Vet Med Assoc. 2023 Aug 15;261(11):1646-1652.

Moberg HL, Gramer I, Schofield I, Blackwood L, Killick D, Priestnall SL, Guillén A. Clinical presentation, treatment and outcome of canine malignant mesothelioma: A retrospective study of 34 cases. Vet Comp Oncol. 2022 Mar;20(1):304-312.

Guillén A, Smallwood K, Killick DR. Molecular pathology in the cancer clinic - where are we now and where are we headed? J Small Anim Pract. 2021 Jul;62(7):507-520. 

Guillén A, Stiborova K, Ressel L, Blackwood L, Finotello R, Amores-Fuster I, Jama N, Killick D. Immunohistochemical expression and prognostic significance of MAGE-A in canine oral malignant melanoma. Res Vet Sci. 2021 Jul;137:226-234. 

Smith VA, Knottenbelt C, Watson DG, Mellor DJ, Guillén A, Philp HS, Keegan S, Marrington M, Genassi C, Cave T, McBrearty AR. (2020) Hair nicotine concentration of cats with gastrointestinal lymphoma and unaffected control cases. The Veterinary Record, 186(13):414

Guillén A, Rossanese M, Ricci E, German AJ, Blackwood L. Gastric Intravascular Lymphoma in a Dog: Case Report and Literature Review. J Am Anim Hosp Assoc. 2020 May/Jun;56(3):185.

Guillén A, Finotello R, Wynne P, Harper A, Killick D, Amores-Fuster I, Blackwood L. Toxicity of cytarabine constant rate infusion in dogs with high-grade non-Hodgkin lymphoma with bone marrow or central nervous system involvement. Aust Vet J. 2020 Mar;98(3):69-78. 

Guillén A, Ressel L, Finotello R, German AJ, Freeman A, Blackwood L. Non-islet-cell tumour hypoglycaemia in a cat with hepatocellular carcinoma. JFMS Open Rep. 2019 Jun 26;5(1):2055116919856129.

 

Sandra is involved in teaching of undergraduate students and clinical training scholars at the RVC.

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