Veterinary Oncology
Dr. Rachel Torres · DACVIM (Oncology)
Veterinary oncology provides comprehensive cancer diagnosis, staging, and treatment planning including chemotherapy, immunotherapy, and palliative care. Dr. Torres covers lymphoma protocols, mast cell tumor grading, and honest prognosis discussions — balancing quality of life with treatment efficacy.
Ask Dr. Rachel Torres →Common Conditions
Sample Questions
“10-year-old Golden Retriever with multicentric lymphoma — substage b. CHOP vs COP protocol selection and expected response rates?”
“Mast cell tumor Grade II (Patnaik) / high grade (Kiupel) with clean margins. Adjuvant chemo or radiation recommendations?”
“Rottweiler with appendicular osteosarcoma — amputation with carboplatin vs palliative radiation. Honest prognosis discussion?”
Oncology Cases(24)
View All Cases →An 11-year-old spayed female Persian cat presents with a ...
Thank you for providing such a comprehensive overview of this challenging feline case. The clinical signs – progressive facial swelling, unilateral exophthalmos, serosanguinous nas
I have a 4-year-old intact female Mini Lop rabbit present...
Thank you for reaching out regarding this challenging case. A high-grade uterine adenocarcinoma in a 4-year-old Mini Lop is certainly a significant diagnosis, and I commend the pro
I have a 7-year-old intact male Boxer presenting with a 2...
Hello there. Thanks for reaching out about this Boxer. A 7-year-old intact male Boxer with a Grade II subcutaneous MCT on the stifle definitely warrants a thorough plan. You're rig
I have a 10-year-old spayed female DSH cat with a two-mon...
This sounds like a very classic presentation for feline gastrointestinal lymphoma, and your suspicion is certainly warranted, especially with the diffuse jejunal thickening and pre
Canine Melanoma Oral Treatment Vaccine
Excellent workup on this case. Oral malignant melanoma is always a top concern, and your diagnostic and staging plan is spot on. The rostral location is a favorable prognostic indi
Dog Lipoma vs Liposarcoma Difference
🧫 Dr. Rachel Torres (Oncology) This is a great and very common question. The overweight, older Lab with multiple lumps is a daily presentation, and your instinct about the firmer
Cat Blocked Nose Chronic Rhinitis Treatment
Colleague, This is a classic and often frustrating presentation. Your initial differentials are spot-on. Let's structure the approach methodically. 1. Ranked Differentials & Init
When to Spay Neuter Large Breed Dog
Colleagues, This is an excellent and critical question that we're all grappling with. The paradigm has definitively shifted from a "one-size-fits-all" recommendation to a nuanced,
Dog Skin Lump Biopsy When to Worry
Excellent topic. My mantra for any new cutaneous or subcutaneous mass is simple: aspirate everything. An FNA is minimally invasive, inexpensive, and is the single most valuable ste
Anal Gland Sacculectomy Dog Surgery
This is a great topic, as the decision to perform an anal sacculectomy involves balancing a significant quality-of-life improvement against a non-zero risk of a serious complicatio
Bernese Mountain Dog Histiocytic Sarcoma
Colleague, Your suspicion for disseminated histiocytic sarcoma (HS) in a Bernese Mountain Dog with this presentation is unfortunately very high on my differential list as well. Th
Canine Transitional Cell Carcinoma Bladder
Excellent workup. A BRAF-positive trigonal mass in an 11-year-old Scottie is TCC until proven otherwise. My primary goal here is to manage this as a medical disease, focusing on sl
Canine Hemangiosarcoma Spleen Treatment
🧫 Thanks for reaching out about this challenging case. A post-splenectomy hemangiosarcoma diagnosis is always tough, and it's good you're moving quickly to discuss adjuvant thera
Feline Oral Squamous Cell Carcinoma
Colleague, this is one of the toughest diagnoses we deal with. My condolences to you and your client. Feline oral SCC, particularly in the sublingual location, is an aggressive dis
Canine Osteosarcoma Treatment Protocol
Excellent, thank you for the detailed workups from my team. Here is my integrated plan for this patient. Colleague, This is a classic presentation for appendicular osteosarcoma
Canine Mast Cell Tumor Grading and Treatment
Thanks for the consult on this Boxer. This is a very common scenario, and the good news is that with a Kiupel low-grade tumor, our prognosis for long-term control is excellent, pro
Feline Injection Site Sarcoma Treatment
Colleague, thank you for this consult. This presentation is highly concerning for a feline injection-site sarcoma (FISS), and your FNA findings support that. These tumors require a
Canine B-Cell Lymphoma CHOP Protocol
Excellent work getting the immunophenotype. Knowing we're dealing with B-cell lymphoma gives us a much clearer and more optimistic starting point. For an owner committed to aggress
Feline Injection Site Sarcoma Treatment
Colleague, Thank you for the consult. This presentation is classic for a feline injection-site sarcoma (FISS), and your FNA findings are highly supportive. This is a diagnosis tha
Canine B-Cell Lymphoma CHOP Protocol
Excellent. My Chemo Calculator sub-agent has outlined the specifics of the protocol, and I've integrated that with my clinical recommendations for managing this case. This is a ve
CHOP protocol for stage IIIa canine B-cell lymphoma — dos...
Of course, happy to provide my approach for a new Stage IIIa B-cell lymphoma case. This is our most common presentation, and CHOP remains the gold standard for good reason. The key
CHOP protocol for stage IIIa canine B-cell lymphoma — dos...
Of course, happy to outline the CHOP protocol for your patient. For Stage IIIa B-cell lymphoma, this is the gold standard and gives us the best chance at a durable first remission.
CHOP protocol for canine lymphoma
Of course, happy to outline the standard CHOP-based protocol we use for canine multicentric B-cell lymphoma. This is a well-established protocol, often referred to as the UW-Madiso
7yo golden retriever with a splenic mass on ultrasound
🧫 Colleague, this is a classic and concerning presentation. In a 7-year-old Golden, a splenic mass is hemangiosarcoma (HSA) until proven otherwise. The "rule of two-thirds" is a
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