Find your diagnosis

Adrenal gland

Myelolipoma

Pheochromocytoma

Appendix

Acute appendicitis

Low grade appendiceal mucinous neoplasm (LAMN)

Well-differentiated neuroendocrine tumour (NET)

Anus

High grade squamous intraepithelial lesion (HSIL)

Bladder, ureters, and urethra

Non-invasive papillary urothelial carcinoma

Polypoid cystitis

Urothelial carcinoma

Blood

Anemia of chronic disease

Chronic lymphocytic leukemia

Hemolytic anemia

Iron-deficiency anemia

Megaloblastic anemia

Myelodysplastic syndromes (MDS)

Thrombotic microangiopathy

Bone

Chordoma

Chondrosarcoma

Enchondroma

Ewing sarcoma

Fracture

Giant cell tumour of bone​

Osteoblastoma

Osteochondroma

Osteoid osteoma

Osteosarcoma

Plasma cell neoplasm

Plasmacytoma

Bone marrow

Anemia of chronic disease

Chronic lymphocytic leukemia

Hemolytic anemia

Iron-deficiency anemia

Megaloblastic anemia

Myelodysplastic syndromes (MDS)

Thrombotic microangiopathy

Brain

Glioblastoma

Meningioma

Oligodendroglioma

Breast

Columnar cell change (CCC) and columnar cell hyperplasia (CCH)

Complex sclerosing lesion

Ductal carcinoma in situ (DCIS)

Fibroadenoma

Fibrocystic change

Flat epithelial atypia (FEA)

Invasive ductal carcinoma

Lobular carcinoma

Lobular carcinoma in situ (LCIS)

Papillary lesion

Phyllodes tumour

Radial scar

Usual ductal hyperplasia

Cervix

Adenocarcinoma in situ (AIS)

Atypical squamous cells, cannot rule out HSIL (ASC-H)

Atypical squamous cells of undetermined significance (ASC-US)

Atypical glandular cells, not otherwise specified (AGS NOS)

Atypical glandular cells, favour neoplastic (AGS)

Endocervical polyp

Endocervical adenocarcinoma

High grade squamous intraepithelial lesion (HSIL)

Low grade squamous intraepithelial lesion (LSIL)

Negative for intraepithelial lesion or malignancy (NILM)

Squamous cell carcinoma

Colon and rectum

Adenocarcinoma

Chronic colitis

Chronic active colitis

Collagenous colitis

Gastrointestinal stromal tumour (GIST)

Hyperplastic polyp

Invasive adenocarcinoma

Lymphocytic colitis

Microscopic colitis

Mucinous adenocarcinoma

Neuroendocrine carcinoma

Poorly differentiated neuroendocrine carcinoma

Sessile serrated adenoma

Sessile serrated lesion

Sessile serrated polyp

Tubular adenoma

Tubulovillous adenoma

Villous adenoma

Well differentiated neuroendocrine tumour

Xanthoma

Duodenum

Celiac disease

Gastrointestinal stromal tumour (GIST)​

Peptic duodenitis

Esophagus

Adenocarcinoma

Barrett’s esophagus

Eosinophilic esophagitis

Reflux esophagitis

Squamous cell carcinoma​

Squamous papilloma

Fallopian tubes

Endometriosis

Serous tubal intraepithelial carcinoma (STIC)​

Kidney

Chromophobe renal cell carcinoma

Clear cell renal cell carcinoma

Papillary renal cell carcinoma

Larynx

The larynx includes the vocal cords, aryepiglottic folds, epiglottis, and vestibule.

Keratinizing squamous dysplasia

Squamous cell carcinoma

Squamous carcinoma in situ (CIS)

Squamous dysplasia

Liver and bile ducts

Autoimmune hepatitis

Bile duct hamartoma

Cirrhosis

Hepatocellular carcinoma (HCC)

Intrahepatic cholangiocarcinoma

Primary biliary cholangitis (PBC)

Primary sclerosing cholangitis (PSC)

Steatosis

Steatohepatitis

von Meyenburg complex

Lung

Acute lung injury

Adenocarcinoma

Atypical carcinoid tumour

COVID-19

NUT carcinoma

Mesothelioma

Pneumonia

Small cell carcinoma

Squamous cell carcinoma​

Typical carcinoid tumour

Usual interstitial pneumonia

Lymph nodes

Burkitt lymphoma

Diffuse large B-cell lymphoma

Follicular lymphoma​

Hodgkin lymphoma

Mantle cell lymphoma

Non-Hodgkin lymphoma​

Plasma cell neoplasm

Plasmacytoma

Small lymphocytic lymphoma

Nasal cavity and paranasal sinuses

The nasal cavity and paranasal sinuses include the nasal septum, turbinates, maxillary sinus, ethmoid sinus, and sphenoid sinus

Intestinal-type adenocarcinoma

Non-intestinal type adenocarcinoma (non-ITAC)

NUT carcinoma

Schneidrian papilloma

Sinonasal papilloma

Sinonasal undifferentiated carcinoma (SNUC)

Nasopharynx

Nasopharyngeal carcinoma

Non-keratinizing squamous cell carcinoma of the nasopharynx

NUT carcinoma

Oral cavity

The oral cavity includes the lips, tongue, buccal mucosa, floor of mouth, and hard palate.

Adenoid cystic carcinoma

Keratinizing squamous dysplasia

Lobular capillary hemangioma

Mucoepidermoid carcinoma

Pleomorphic adenoma​

Pyogenic granuloma

Salivary duct carcinoma

Squamous cell carcinoma

Squamous carcinoma in situ (CIS)

Squamous dysplasia

Squamous papilloma

Verruca vulgaris

Warthin tumour

Oropharynx

The oropharynx includes the tonsils, soft palate, and base of tongue.

Non-keratinizing squamous cell carcinoma

Squamous cell carcinoma

Squamous papilloma

Ovary

Atrophy

Benign Brenner tumour

Clear cell carcinoma

Corpus luteum cyst

Cortical inclusion cyst

Cystic follicle

Endometrioid carcinoma

Endometrioid borderline tumour

Endometriosis

Follicle cyst

Immature teratoma

Mature cystic teratoma

Mucinous borderline tumour

Mucinous carcinoma

Mucinous cystadenoma

Mucinous cystadenofibroma

Periovarian adhesions

Serous borderline tumour

High grade serous carcinoma

Low grade serous carcinoma

Serous cystadenoma

Parathyroid gland

Enlarged and hypercellular parathyroid gland

Parathyroid adenoma

Pancreas

Ductal adenocarcinoma

Mucinous cystic neoplasm​

Well differentiated neuroendocrine tumour

Pleura

Mesothelioma

Prostate

Adenocarcinoma​

Benign prostatic hyperplasia (BPH)

High grade prostatic intraepithelial neoplasia (PIN)

Salivary glands

The salivary glands include the parotid, submandibular, sublingual, and minor salivary glands

Adenoid cystic carcinoma

Mucoepidermoid carcinoma

Oncocytoma

Pleomorphic adenoma​

Salivary duct carcinoma

Warthin tumour

Skin

Actinic keratosis

Basal cell carcinoma

Bullous pemphigoid

Compound nevus

Congenital nevus

Cutaneous lupus erythematosus

Dermatofibrosarcoma protuberans (DFSP)

Dermal nevus

Dermatofibroma

Dysplastic nevus

Epidermoid cyst

Hemangioma

Junctional nevus

Keloid scar

Lentigo maligna

Invasive melanoma

Melanoma in situ

Merkel cell carcinoma

Plasmacytoma

Pilar cyst

Seborrheic keratosis

Sebaceous carcinoma

Spongiotic dermatitis

Spitz nevus

Squamous cell carcinoma​

Squamous carcinoma in situ

Trichilemmal cyst

Verruca vulgaris

Xanthelasma

Small bowel

Celiac disease

Gastrointestinal stromal tumour (GIST)​

Peptic duodenitis

Soft tissues

Soft tissue includes muscle, fat, and connective tissue.

Angiolipoma

Angiosarcoma

Atypical lipomatous tumour

Deep fibromatosis

Dedifferentiated liposarcoma

Desmoid tumour

Ewing family of tumours

Fibromatosis

Ganglion cyst

Giant cell tumour of tendon sheath

Intramuscular lipoma

Kaposi sarcoma

Leiomyosarcoma

Neurofibroma

Nodular fasciitis

Malignant peripheral nerve sheath tumour (MPNST)

Myxoid liposarcoma

Pleomorphic lipoma

Rhabdomyosarcoma

Schwannoma

Solitary fibrous tumour

Spindle cell lipoma

Superficial fibromatosis

Synovial sarcoma

Undifferentiated pleomorphic sarcoma

Well differentiated liposarcoma

Spinal cord

Meningioma

Stomach

Adenocarcinoma

Chemical gastropathy

Chronic gastritis

Chronic inactive gastritis

Gastritis

Gastrointestinal stromal tumour (GIST)

Hyperplastic polyp​

Inflammatory polyp

Reactive gastropathy

Xanthoma

Testis

Seminoma

Thyroid gland

Benign follicular nodule

Follicular adenoma

Follicular carcinoma

Follicular neoplasm

Hurthle cell adenoma

Hurthle cell carcinoma

Medullary thyroid carcinoma

Papillary thyroid carcinoma

Nodular follicular disease

Nodular thyroid hyperplasia

Non-invasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP)

Papillary thyroid microcarcinoma

Suspicious for follicular neoplasm

Uterus and endometrium

Atrophic endometrium

Atypical endometrial hyperplasia

Carcinosarcoma

Clear cell carcinoma

Disordered proliferative endometrium

Endometrioid carcinoma

Endometrial polyp

Endometrial hyperplasia without atypia

Fibroid

Leiomyoma

Proliferative endometrium

Secretory endometrium

Serous carcinoma