Histopathology Atlas

THYROID GLAND

• Histology:

  • Thyroid gland

• Congenital anomalies:

  • Thyroglossal duct/ cyst

  • Branchial cleft cyst

• Hyperplasia/goiter:

  • Thyroid hyperplasia

  • Graves’ disease

• Thyroiditis:

  • Riedel's thyroiditis

  • Hashimoto thyroiditis

• Benign neoplasms:

  • Follicular adenoma

  • Hürthle cell adenoma

  • Hyalinizing trabecular tumor

• Thyroid cancer:

  • Papillary carcinoma

    • Encapsulated variant

    • Encapsulated follicular variant

    • Follicular variant

  • Follicular carcinoma

  • Medullary carcinoma

  • Medullary carcinoma - cytology

  • Anaplastic carcinoma

• Other malignancies:

  • Angiosarcoma

PARATHYROID

• Histology:

  • Parathyroid gland

• Hyperparathyroidism:

  • Parathyroid gland hyperplasia - chief cell hyperplasia

  • Parathyroid gland hyperplasia - oncocytic cells hyperplasia

• Neoplasms:

  • Oxyphil adenoma

  • Parathyroid carcinoma

PANCREAS

• Histology:

  • Pancreas

• Pancreatitis:

  • Acute pancreatitis

  • Chronic pancreatitis

  • Fat necrosis

• Cystic neoplasm:

  • Intraductal papillary mucinous neoplasm - IPMN

  • Mucinous cystic neoplasm (MCN)

  • Serous cystadenoma

• Neoplasms:

  • Ductal adenocarcinoma

  • Mucinous cystadenocarcinoma

  • Solid-pseudopapillary neoplasm

  • Neuroendocrine small cell carcinoma

ADRENAL GLAND

• Histology:

  • Adrenal gland

• Benign cortical lesions:

  • Cortical adenoma

  • Myelolipoma

• Adrenocortical carcinoma:

  • Adrenocortical carcinoma

• Adrenal medulla:

  • Pheochromocytoma

• Neuroblastic tumors:

  • Neuroblastoma, undifferentiated & poorly differentiated type

  • Neuroblastoma, differentiating type

  • Ganglioneuroma