Diagnosis library


August 3, 2022


Our Diagnosis Libary includes more than 300 articles created by pathologists to help you learn more about your diagnosis and pathology report. The articles in the library are organized by the area of the body involved. Contact us if you need help finding an article or have questions about any of the articles in the library.

Adrenal gland

Adrenocortical adenoma

Adrenocortical carcinoma

Myelolipoma

Pheochromocytoma

Anal canal and anus

High grade squamous intraepithelial lesion (HSIL)

Squamous cell carcinoma

Appendix

Acute appendicitis

Low grade appendiceal mucinous neoplasm (LAMN)

Well-differentiated neuroendocrine tumour (NET)

Bladder, ureters, and urethra

High grade papillary urothelial carcinoma

Low grade papillary urothelial carcinoma

Polypoid cystitis

Urothelial carcinoma

Urothelial carcinoma in situ (CIS)

Blood

Anemia of chronic disease

Chronic lymphocytic leukemia

Hemolytic anemia

Iron-deficiency anemia

Megaloblastic anemia

Myelodysplastic syndromes (MDS)

Thrombotic microangiopathy

Bone and bone marrow

Ameloblastoma

Anemia of chronic disease

Chronic lymphocytic leukemia

Chordoma

Chondrosarcoma

Enchondroma

Ewing sarcoma

Fracture

Giant cell tumour of bone

Hemolytic anemia

Iron-deficiency anemia

Megaloblastic anemia

Myelodysplastic syndromes (MDS)

Osteoblastoma

Osteochondroma

Osteoid osteoma

Osteosarcoma

Plasma cell neoplasm

Plasmacytoma

Thrombotic microangiopathy

Brain

Glioblastoma

Meningioma

Oligodendroglioma

Breast

Atypical ductal hyperplasia (ADH)

Columnar cell change (CCC)

Columnar cell hyperplasia (CCH)

Complex sclerosing lesion

Ductal carcinoma in situ (DCIS)

Fibroadenoma

Fibrocystic change

Flat epithelial atypia (FEA)

Granular cell tumour

Invasive ductal carcinoma

Invasive lobular carcinoma

Invasive mucinous carcinoma

Intraductal papilloma

Lobular carcinoma in situ (LCIS)

Papillary lesion

Phyllodes tumour

Pseudoangiomatous stromal hyperplasia (PASH)

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)

Cervical intraepithelial neoplasia (CIN)

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, rectum, and anal canal

Adenocarcinoma

Chronic colitis

Chronic active colitis

Collagenous colitis

Gastrointestinal stromal tumour (GIST)

Hyperplastic polyp

Inflammatory 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

Duodenum

Celiac disease

Gastrointestinal stromal tumour (GIST)

Peptic duodenitis

Esophagus

Adenocarcinoma

Barrett’s esophagus

Eosinophilic esophagitis

Intramucosal adenocarcinoma

Reflux esophagitis

Squamous cell carcinoma

Squamous papilloma

Fallopian tubes

Endometriosis

Serous tubal intraepithelial carcinoma (STIC)​

Gallbladder

Chronic cholecystitis

Kidney

Chromophobe renal cell carcinoma

Clear cell renal cell carcinoma

Papillary renal cell carcinoma

Larynx (vocal cords, aryepiglottic folds, epiglottis, and vestibule)

Keratinizing squamous dysplasia

Granular cell tumour

Squamous cell carcinoma

Squamous carcinoma in situ (CIS)

Squamous dysplasia

Vocal cord nodule

Vocal cord polyp

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

Adenocarcinoma in situ (AIS)

Atypical carcinoid tumour

Carcinoid tumourlet

COVID-19

Diffuse alveolar damage (DAD)

NUT carcinoma

Mesothelioma

Minimally invasive adenocarcinoma (MIA)

Organizing pneumonia

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 (nasal septum, turbinates, maxillary sinus, ethmoid sinus, and sphenoid sinus)

Ameloblastoma

Chronic rhinosinusitis

Intestinal-type adenocarcinoma

Mucosal melanoma

Non-intestinal type adenocarcinoma (non-ITAC)

NUT carcinoma

Olfactory neuroblastoma

Schneidrian papilloma

Sinonasal inflammatory polyp

Sinonasal papilloma

Sinonasal undifferentiated carcinoma (SNUC)

Nasopharynx

Nasopharyngeal carcinoma

Oral cavity (lips, tongue, buccal mucosa, floor of mouth, and hard palate)

Keratinizing squamous dysplasia

Fibroma

Granular cell tumour

Lobular capillary hemangioma

Mucosal melanoma

Oral epithelial dysplasia

Pyogenic granuloma

Squamous cell carcinoma

Squamous carcinoma in situ (CIS)

Squamous dysplasia

Squamous papilloma

Verruca vulgaris

Oropharynx (tonsils, soft palate, and base of tongue)

Non-keratinizing squamous cell carcinoma

Squamous cell carcinoma

Squamous papilloma

Ovary

Atrophy

Benign Brenner tumour

Cellular fibroma

Clear cell carcinoma

Corpus luteum cyst

Cortical inclusion cyst

Cystic follicle

Endometrioid carcinoma

Endometrioid borderline tumour

Endometriosis

Follicle cyst

Immature teratoma

Mature cystic teratoma

Mitotically active cellular fibroma

Mucinous borderline tumour

Mucinous carcinoma

Mucinous cystadenoma

Mucinous cystadenofibroma

Ovarian fibroma

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 (parotid, submandibular, and sublingual)

Adenoid cystic carcinoma

Hyalinizing clear cell carcinoma (HCCC)

Mucoepidermoid carcinoma

Oncocytoma

Pleomorphic adenoma

Salivary duct carcinoma

Warthin tumour

Skin

Actinic keratosis

Basal cell carcinoma

Basosquamous carcinoma

Bullous pemphigoid

Compound nevus

Congenital nevus

Cutaneous lupus erythematosus

Cylindroma

Dermatofibrosarcoma protuberans (DFSP)

Dermal nevus

Dermatofibroma

Dysplastic nevus

Epidermoid cyst

Granular cell tumour

Hemangioma

Hidradenoma

Junctional nevus

Keloid scar

Lentigo maligna

Infiltrating basal cell carcinoma

Invasive melanoma

Melanoma in situ

Merkel cell carcinoma

Micronodular basal cell carcinoma

Nodular basal cell carcinoma

Plasmacytoma

Pigmented basal cell carcinoma

Pilar cyst

Poroma

Sclerosing basal cell carcinoma

Seborrheic keratosis

Sebaceous carcinoma

Spiradenoma

Spongiotic dermatitis

Spitz nevus

Squamous cell carcinoma

Squamous carcinoma in situ

Superficial basal cell carcinoma

Syringoma

Trichilemmal cyst

Verruca vulgaris

Xanthelasma

Small bowel

Celiac disease

Gastrointestinal stromal tumour (GIST)

Peptic duodenitis

Soft tissues (muscle, fat, and connective tissue)

Alveolar rhabdomyosarcoma

Angiolipoma

Angiosarcoma

Atypical lipomatous tumour

Deep fibromatosis

Dedifferentiated liposarcoma

Desmoid tumour

Embryonal rhabdomyosarcoma

Ewing family of tumours

Fibromatosis

Ganglion cyst

Giant cell tumour of tendon sheath

Granular cell tumour

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 active gastritis

Chronic inactive gastritis

Erosive gastritis

Gastrointestinal stromal tumour (GIST)

Helicobacter gastritis

Hyperplastic polyp

Inflammatory polyp

Reactive gastropathy

Xanthoma

Testis and scrotum

Embryonal carcinoma

Mixed germ-cell tumour

Seminoma

Spermatocele

Yolk-sac tumour

Thyroid gland

Anaplastic thyroid carcinoma

Benign follicular nodule

Encapsulated angioinvasive follicular thyroid carcinoma

Encapsulated angioinvasive Hurthle cell carcinoma

Follicular adenoma

Follicular neoplasm

Hurthle cell adenoma

Hurthle cell carcinoma

Medullary thyroid carcinoma

Minimally invasive follicular thyroid carcinoma

Minimally invasive Hurthle cell carcinoma

Nodular follicular disease

Nodular thyroid hyperplasia

Papillary thyroid carcinoma

Poorly differentiated thyroid carcinoma

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

Papillary thyroid microcarcinoma

Suspicious for follicular neoplasm

Widely invasive follicular thyroid carcinoma

Widely invasive Hurthle cell carcinoma

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

Leiomyosarcoma

Proliferative endometrium

Secretory endometrium

Serous carcinoma

Vagina

High grade squamous intraepithelial lesion (HSIL)

Low grade squamous intraepithelial lesion (LSIL)

Squamous cell carcinoma (SCC)

Vulva

Condyloma acuminatum

Differentiated vulvar intraepithelial neoplasia (dVIN)

High grade squamous intraepithelial lesion (HSIL)

Extramammary Paget disease

Lichen sclerosus

Low grade squamous intraepithelial lesion (LSIL)

Squamous cell carcinoma (SCC)

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