March 25, 2026
This section includes detailed diagnosis guides designed to help you understand the findings in your pathology report. Each article explains a specific diagnosis, including how it is made and which features in your report may affect treatment or prognosis.
If you are looking for a simple definition of a medical term rather than a full diagnosis guide, visit our Pathology Dictionary. You can also ask Osler, our pathology chatbot, to explain any finding from your report in plain language.
What are Diagnosis Guides?
A diagnosis guide explains what a specific diagnosis means in the context of a pathology report. These articles describe how the diagnosis is made and what additional findings in the report may be important for your care.
Browse by Body System
Head and Neck
Oral cavity (lips and mouth)
Oropharynx (tonsils, soft palate, base of tongue)
Nasopharynx
Larynx (vocal cords)
Nasal cavity and paranasal sinuses
Salivary glands
Bones of the jaw (mandible and maxilla)
Soft tissues of the head and neck
Oropharynx (tonsils, soft palate, base of tongue)
Nasopharynx
Larynx (vocal cords)
Nasal cavity and paranasal sinuses
Salivary glands
Bones of the jaw (mandible and maxilla)
Soft tissues of the head and neck
Brain and Nervous System
Chest (Thorax)
Breast
Digestive System
Esophagus
Stomach
Small intestine
Large intestine (colon and rectum)
Appendix
Anus and anal canal
Liver and bile ducts
Gallbladder
Pancreas
Stomach
Small intestine
Large intestine (colon and rectum)
Appendix
Anus and anal canal
Liver and bile ducts
Gallbladder
Pancreas
Urinary System
Female Reproductive System
Male Reproductive System
Endocrine System (Hormone-Producing Glands)
Blood, Lymph Nodes, and Bone Marrow
Bones and Soft Tissue
Skin
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