2024 cases
| # | Species | Specimen | Category | Showcase |
| #5 | ||||
| #4 | Equine | Tracheal wash | ||
| #3 | Canine | Subconjunctival mass | Cancer | Hibernoma |
| #2 | Feline | Venous blood | Infectious | Anaplasma phagocytophilum |
| #1 | Canine | Clinical pathologic data | Infectious | Leptospirosis |
2023 cases
| # | Species | Specimen | Category | Showcase |
| #5 | Equine | Venous blood | Neoplasia | Acute myeloid leukemia |
| #4 | Canine | Peritoneal fluid | Inflammation | Barium peritonitis |
| #3 | Bovine | Venous blood | Infectious | Theileria orientalis genotype buffeli |
| #2 | Canine | Cerebrospinal fluid | Inflammation | Steroid-responsive meningoencephalitis-arteritis |
| #1 | Canine | Cutaneous masses | Inflammation | Calcinosis circumscripta |
2022 cases
| # | Species | Specimen | Category | Showcase |
| #6 | Feline | Pleural fluid | Infectious | Mycobacterium avian complex |
| #5 | Canine | Venous blood | Infectious | Mycoplasma haemocanis |
| #4 | Equine | Tracheal wash | Infectious | Aspergillus pneumonia |
| #3 | Feline | Venous blood | Neoplasia | Acute myeloid leukemia |
| #2 | Camelid | Skin mass | Neoplasia | Trichoepithelioma |
| #1 | Equine | Skin mass | Neoplasia | Giant cell tumor of soft parts |
2021 cases
| # | Species | Specimen | Category | Showcase |
| #6 | Feline | Bile | Infectious | Fluke infection, suspect Eurytrema |
| #5 | Feline | Mandibular mass | Infectious | Cuterebra larva |
| #4 | Canine | Laboratory data | Metabolic | Acute anaphylaxis |
| #3 | Goat | Pleural effusion | Infectious | Muellerias capillaris |
| #2 | Canine | Retrobulbar mass | Neoplasia | Meningioma |
| #1 | Tiger | Tracheal wash | Infectious | SARS-CoV-2 (COVID-19) |
2020 cases
| # | Species | Specimen | Category | Showcase |
| #6 | Caprine | Venous blood | Toxic | Copper toxicity |
| #5 | Feline | Venous blood | Artifact | EDTA-dependent RBC agglutination |
| #4 | Hedgehog | Venous blood | Neoplasia | Eosinophilic leukemia |
| #3 | Canine | Peritoneal fluid | Inflammation | Ruptured bladder with spermatozoa |
| #2 | Feline | Venous blood | Toxic | Acetaminophen toxicity |
| #1 | Canine | Interdigital mass | Neoplasia | Extramedullary plasma cell tumor with amyloid |
2019 cases
| # | Species | Specimen | Category | Showcase |
| #9 | Feline | Paw mass | Neoplasia | Nerve sheath tumor |
| #8 | Equine | Pleural fluid | Neoplasia | Malignant melanoma |
| #7 | Equine | Bone marrow | Neoplasia | Multiple myeloma |
| #6 | Caprine | Peritoneal fluid | Neoplasia | Mesothelioma |
| #5 | Canine | Pleural fluid | Neoplasia | Ovarian tumor |
| #4 | Canine | Bone marrow | Neoplasia | Acute megakaryoblastic leukemia |
| March | Caprine | Facial mass | Neoplasia | Myxofibroma |
| Feb | Equine | Joint fluid | Inflammation | Eosinophilic synovitis |
| Jan | Feline | Venous blood | Infectious | Mycoplasma hemofelis and IMHA |
2018 cases
| Month | Species | Specimen | Category | Showcase |
| Dec | Reptile | Cervical swelling | Neoplasia | Endolymphatic sac carcinoma |
| Nov | Canine | Urine | Metabolic | Cystinuria |
| Oct | Canine | Subretina | Infectious | Prototheca |
| Sept | Feline | Subcutaneous mass | Infectious | Nocardia |
| Aug | Canine | Skin and abdominal mass | Neoplasia | Dermal hemangiosarcoma and bladder mural myxosarcoma |
| July | Canine | Penile mass | Neoplasia | Transmissible venereal tumor |
| June | Canine | Bone aspirate | Inflammation | Osteomyelitis |
| May | Bovine | Tracheal wash | Infectious | Mycoplasma bovis |
| April | Caprine | Tracheal wash | Infectious | Muellerias capillaris |
| March | Canine | Pulmonary mass aspirate | Artifact | Aspiration of diaphragm |
| Feb | Canine | Venous blood, pleural fluid | Neoplasia | Acute myeloid leukemia |
| Jan | Feline | Cerebrospinal fluid | Infectious | Cryptococcus |
2017 cases
| Month | Species | Specimen | Category | Showcase |
| Dec | Canine | Retropharyngeal lymph node | Neoplasia | C cell thyroid carcinoma |
| Nov | Equine | Liver | Neoplasia | Hepatoblastoma |
| Oct | Feline | Biochemical and blood gas data | Metabolic | Aortic thromboembolism |
| Sept | Feline | Kidney | Neoplasia | Pulmonary adenosquamous carcinoma |
| Aug | Equine | Peritoneal fluid | Infectious | Actinobacillus equuli |
| July | Canine | Blood results (CBC, chemistry) | Metabolic, artifact | Biliary rupture from a mucocele, pseudohypoproteinemia from hyperbilirubinemia |
| June | Canine | Liver | Metabolic | Copper toxicity |
| May | Canine | Kidney, third eyelid swelling | Neoplasia | Squamous cell carcinoma |
| April | Feline | Blood | Artifact | Megakaryocyte |
| March | Feline | Blood results (CBC, chemistry, urinalysis) | Metabolic | Urethral obstruction |
| Feb | Camelid | Peritoneal fluid | Inflammation | Bile peritonitis |
| Jan | Equine | Tracheal wash | Inflammation | Multisystemic epitheliotropic eosinophilic disorder (MEED) |
2016 cases
| Month | Species | Specimen | Category | Showcase |
| Dec | Tortoise | Joint fluid | Metabolic | Gout (uric acid crystals) |
| Nov | Canine | Blood results | Metabolic | Hypoadrenocorticism |
| Oct | Feline | Conjunctival swab | Infectious | Chlamydia |
| Sept | Equine | Synovial fluid | Infectious | Streptococcus zooepidemicus |
| Aug | Feline | Liver | Infectious | Toxoplasma gondii (presumptive) |
| July | Dog | Conjunctival swab | Infectious | Distemper |
| June | Dog | Bone marrow | Neoplasia | B cell lymphoma with Pelger-Huët anomaly |
| May | Alpaca | Peritoneal fluid | Infection | Streptococcus equi subsp zooepidemicus |
| April | Canine | Peritoneal fluid | Inflammation | Bile peritonitis |
| March | Canine | Bone mass | Neoplasia | Osteosarcoma |
| Feb | Feline | Skin mass | Inflammation | Vaccine-induced steatitis |
| Jan | Bovine | Blood | Infectious | Mycoplasma wenyonii |
2015 cases
| Month | Species | Specimen | Category | Showcase |
| Dec | Equine | Corneal scrape | Inflammation | Eosinophilic keratitis |
| Nov | Feline | Jejunal lymph node | Infectious | Mycobacteria |
| Oct | Rabbit | Liver imprint | Infectious | Eimeria stiedae |
| Sept | Feline | Bone marrow | Infectious | FIV-associated myelodysplasia |
| Aug | Feline | Liver mass | Inflammation, neoplasia | Mixed inflammation; T cell lymphoma |
| July | Canine | Venous blood | Inflammation | Heat stroke |
| June | Feline | Blood and peritoneal fluid | Inflammation | Electrolyte defects, suspect pancreatitis |
| May | Canine | Skin mass | Inflammation | Ruptured/inflamed follicular cyst |
| April | Equine | Tracheal wash | Inflammation | Smoke inhalation injury |
| March | Canine | Adrenal mass | Neoplasia | Phaechromocytoma |
| Feb | Feline | Cerebrospinal fluid | Neoplasia | Lymphoma of granular lymphocytes |
| Jan | Feline | Blood and bone marrow | Immune | Pure red cell aplasia |
2014 cases
| Month | Species | Specimen | Category | Showcase |
| Dec | Canine | Fecal smear | Infectious | Giardiasis |
| Nov | Canine | Brain mass | Neoplasia | Medium grade (anaplastic) astrocytoma |
| Oct | Bovine | Tracheal wash | Infectious | Dictyocaulus viviparus |
| Sept | Canine | Aqueous fluid | Infectious | Brucella canis with mixed inflammation |
| Aug | Salmon | Skin cyst | Infectious | Spironucleus |
| July | Canine | Kidney mass | Cancer | Carcinoma |
| June | Equine | Ocular fluid | Infectious | Borrelia burgdorferi |
| May | Bovine | Blood and bone marrow | Toxic | Pancytopenia due to bracken fern toxicity |
| April | Feline | Nasal mass | Cancer | Adenocarcinoma |
| March | Equine | Perilimbal mass | Cancer | Squamous cell carcinoma |
| Feb | Canine | Urine | Infectious | Mycoplasma |
| Jan | Canine | Femoral mass | Infectious | Mycotic infection |
2013 cases
| Month | Species | Specimen | Category | Showcase |
| Dec | Ferret | Adrenal mass | Cancer | Adrenal cortical carcinoma |
| Nov | Boa | Venous blood | Infectious | Inclusion body disease |
| Oct | Feline | Pleural fluid and pericardial fluid | Cancer | Chylous effusion (pleural); lymphoma (pericardial) |
| Sept | Wallaby | Jejunal lymph node | Infectious | Toxoplasma gondii |
| Aug | Canine | Epiglottis mass | Cancer | Chondrosarcoma |
| July | Canine | Abdominal mass | Inflammation | Gossypiboma |
| June | Feline | Nasal mass | Infectious | Cryptococcosis |
| May | Equine | Blood results (CBC, chemistry) | Artifact | Errors due to delayed sample submission |
| April | Canine | Shoulder mass | Cancer | Synovial sarcoma |
| March | Avian | Venous blood | Cancer | Chronic lymphocytic leukemia |
| Feb | Canine | Hepatic mass | Cancer | Hepatocellular carcinoma |
| Jan | Canine | Cerebrospinal fluid | Cancer | Lymphoma |
2012 cases
| Month | Species | Specimen | Category | Showcase |
| Dec | Canine | Blood and bone marrow | Cancer | Multiple myeloma |
| Nov | Canine | Lymph node | Cancer | Metastatic amelanotic melanoma |
| Oct | Canine | Lymph node | Cancer | Metastatic apocrine anal sac adenocarcinoma |
| Sept | Equine | Peritoneal fluid | Inflammation | Gastric rupture in a foal |
| Aug | Canine | Transtracheal wash | Infectious | Bordetella bronchoseptica |
| July | Canine | Digital swelling | Infectious | Blastomyces |
| June | Canine | Venous blood | Infectious | Anaplasma phagocytophilum |
| May | Canine | Shoulder mass | Cancer | Histiocytic sarcoma |
| April | Canine | Venous blood | Toxic | Oxidant-induced hemolytic anemia |
