Lung Nodule or Mass

Etiology

Developmental

Bronchogenic Cyst (see Bronchogenic Cyst, [[Bronchogenic Cyst]])
Congenital Adenomatoid Malformation (see Congenital Adenomatoid Malformation, [[Congenital Adenomatoid Malformation]])
Congenital Bronchial Atresia with Mucoid Impaction (see Congenital Bronchial Atresia with Mucoid Impaction, [[Congenital Bronchial Atresia with Mucoid Impaction]])
Pulmonary Sequestration (see Pulmonary Sequestration, [[Pulmonary Sequestration]])

Infection

Viral

Measles Virus (see Measles Virus, [[Measles Virus]])
Varicella-Zoster Virus (VZV) (see Varicella-Zoster Virus, [[Varicella-Zoster Virus]]): miliary pattern

Bacterial

Actinomycosis (see Actinomycosis, [[Actinomycosis]])
Lung Abscess (see Lung Abscess, [[Lung Abscess]])
Melioidosis (see Melioidosis, [[Melioidosis]])
Mycobacterium Avium Complex (MAC) (see Mycobacterium Avium Complex, [[Mycobacterium Avium Complex]])
Nocardiosis (see Nocardiosis, [[Nocardiosis]])
Rhodococcus Equi (see Rhodococcus Equi, [[Rhodococcus Equi]]): nodular infiltrate, which may cavitate
Septic Embolism (see Septic Embolism, [[Septic Embolism]])
Tuberculosis (see Tuberculosis, [[Tuberculosis]]): miliary or nodular pattern

Fungal

Aspergilloma (see Aspergilloma, [[Aspergilloma]])
Blastomycosis (see Blastomycosis, [[Blastomycosis]])
Coccidioidomycosis (see Coccidioidomycosis, [[Coccidioidomycosis]])
Cryptococcosis (see Cryptococcosis, [[Cryptococcosis]])
Histoplasmosis (see Histoplasmosis, [[Histoplasmosis]])
Mucormycosis (see Mucormycosis, [[Mucormycosis]])
Pneumocystis Jirovecii (see Pneumocystis Jirovecii, [[Pneumocystis Jirovecii]])
Scedosporiosis (see Scedosporiosis, [[Scedosporiosis]])
Sporotrichosis (see Sporotrichosis, [[Sporotrichosis]])

Parasitic

Dirofilariasis (see Dirofilariasis, [[Dirofilariasis]])
Echinococcosis (see Echinococcosis, [[Echinococcosis]])
Paragonimiasis (see Paragonimiasis, [[Paragonimiasis]])

Neoplasm

Lung Tumors

Adenoid Cystic Carcinoma (see Adenoid Cystic Carcinoma, [[Adenoid Cystic Carcinoma]])
Benign Clear Cell Tumor (see Benign Clear Cell Tumor, [[Benign Clear Cell Tumor]])
Blastoma (see Blastoma, [[Blastoma]])
Bronchial Adenoma (see Bronchial Adenoma, [[Bronchial Adenoma]])
Bronchial Carcinoid (see Bronchial Carcinoid, [[Bronchial Carcinoid]])
Bronchial Cystadenoma (see Bronchial Cystadenoma, [[Bronchial Cystadenoma]])
Bronchioloalveolar Cell Carcinoma (see Bronchioloalveolar Cell Carcinoma, [[Bronchioloalveolar Cell Carcinoma]])
Carcinosarcoma (see Carcinosarcoma, [[Carcinosarcoma]])
Chemodectoma (see Chemodectoma, [[Chemodectoma]])
Chondroma (see Chondroma, [[Chondroma]])
Endometrioma (see Endometrioma, [[Endometrioma]])
Fibroma (see Fibroma, [[Fibroma]])
Fibrous Histiocytoma or Xanthoma (see Fibrous Histiocytoma or Xanthoma, [[Fibrous Histiocytoma or Xanthoma]])
Glomus Tumor (see Glomus Tumor, [[Glomus Tumor]])
Granular Cell Myoblastoma (see Granular Cell Myoblastoma, [[Granular Cell Myoblastoma]])
Hamartoma (see Hamartoma, [[Hamartoma]])
Hemangioma (see Hemangioma, [[Hemangioma]])
Hyalinizing Granuloma (see Hyalinizing Granuloma, [[Hyalinizing Granuloma]])
Leiomyoma (see Leiomyoma, [[Leiomyoma]])
Lipoma (see Lipoma, [[Lipoma]])
Lung Cancer (see Lung Cancer, [[Lung Cancer]])
Meningioma (see Meningioma, [[Meningioma]])
Mucoid Pseudotumor (see Mucoid Pseudotumor, [[Mucoid Pseudotumor]])
Multiple Laryngeal Papillomatosis (see Multiple Laryngeal Papillomatosis, [[Multiple Laryngeal Papillomatosis]])
Myxoma (see Myxoma, [[Myxoma]])
Neurofibroma (see Neurofibroma, [[Neurofibroma]] and Neurofibromatosis, [[Neurofibromatosis]])
Plasma Cell Granuloma (see Plasma Cell Granuloma, [[Plasma Cell Granuloma]])
Primary Pulmonary Hodgkin’s Disease (see Primary Pulmonary Hodgkins Disease, [[Primary Pulmonary Hodgkins Disease]])
Primary Pulmonary Lymphoma (see Primary Pulmonary Lymphoma, [[Primary Pulmonary Lymphoma]])
Primary Pulmonary Melanoma (see Primary Pulmonary Melanoma, [[Primary Pulmonary Melanoma]])
Primary Pulmonary Plasmacytoma (see Primary Pulmonary Plasmacytoma, [[Primary Pulmonary Plasmacytoma]])
Primary Pulmonary Sarcoma (see Primary Pulmonary Sarcoma, [[Primary Pulmonary Sarcoma]])
Primary Pulmonary Waldenstrom’s Macroglobulinemia (see Primary Pulmonary Waldenstroms Macroglobulinemia, [[Primary Pulmonary Waldenstroms Macroglobulinemia]])
Pseudolymphoma (see Pseudolymphoma, [[Pseudolymphoma]])
Pulmonary Tumorlet (see Pulmonary Tumorlet, [[Pulmonary Tumorlet]])
Schwannoma (see Schwannoma, [[Schwannoma]])
Sclerosing Hemangioma (see Sclerosing Hemangioma, [[Sclerosing Hemangioma]])
Teratoma (see Teratoma, [[Teratoma]])

Metastases to Lung

Benign Metastasizing Leiomyoma (see Benign Metastasizing Leiomyoma, [[Benign Metastasizing Leiomyoma]])
Breast Cancer (see Breast Cancer, [[Breast Cancer]]): may cavitate
Cervical Cancer (see Cervical Cancer, [[Cervical Cancer]])
Cholangiocarcinoma (see Cholangiocarcinoma, [[Cholangiocarcinoma]])
Choriocarcinoma (see Choriocarcinoma, [[Choriocarcinoma]])
Colorectal Cancer (see Colorectal Cancer, [[Colorectal Cancer]]): may cavitate
Endometrioma (see Endometrioma, [[Endometrioma]])
Esophageal Cancer (see Esophageal Cancer, [[Esophageal Cancer]])
Gastric Cancer (see Gastric Cancer, [[Gastric Cancer]])
Germ Cell Tumor (see Germ Cell Tumor, [[Germ Cell Tumor]])
Head and Neck Cancer (see Head and Neck Cancer, [[Head and Neck Cancer]])
Hepatocellular Carcinoma (see Hepatocellular Carcinoma, [[Hepatocellular Carcinoma]])
Hodgkin’s Disease (see Hodgkins Disease, [[Hodgkins Disease]])
Laryngeal Cancer (see Laryngeal Cancer, [[Laryngeal Cancer]])
Leukemic Infiltration (see Leukemic Infiltration, [[Leukemic Infiltration]])
Lymphoma (see Lymphoma, [[Lymphoma]])
Lymphomatoid Granulomatosis (see Lymphomatoid Granulomatosis, [[Lymphomatoid Granulomatosis]])
Melanoma (see Melanoma, [[Melanoma]])
Multiple Myeloma (see Multiple Myeloma, [[Multiple Myeloma]])
Neuroblastoma (see Neuroblastoma, [[Neuroblastoma]])
Neurofibroma (see Neurofibroma, [[Neurofibroma]] and Neurofibromatosis, [[Neurofibromatosis]])
Ovarian Cancer (see Ovarian Cancer, [[Ovarian Cancer]])
Pancreatic Cancer (see Pancreatic Cancer, [[Pancreatic Cancer]])
Plasmacytoma (see Plasmacytoma, [[Plasmacytoma]])
Prostate Cancer (see Prostate Cancer, [[Prostate Cancer]])
Renal Cell Carcinoma (see Renal Cancer, [[Renal Cancer]])
Sarcoma
- Chondrosarcoma (see Chondrosarcoma, [[Chondrosarcoma]])
- Ewing Sarcoma (see Ewing Sarcoma, [[Ewing Sarcoma]])
- Kaposi Sarcoma (see Kaposi Sarcoma, [[Kaposi Sarcoma])
- Leiomyosarcoma (see Leiomyosarcoma, [[Leiomyosarcoma]]): may cavitate
- Liposarcoma (see Liposarcoma, [[Liposarcoma]])
- Osteosarcoma (see Osteosarcoma, [[Osteosarcoma]])
- Rhabdomyosarcoma (see Rhabdomyosarcoma, [[Rhabdomyosarcoma]])
Testicular Cancer (see Testicular Cancer, [[Testicular Cancer]])
Thyroid Cancer (see Thyroid Cancer, [[Thyroid Cancer]])
Urothelial Cell Carcinoma (Transitional Cell Carcinoma) (see Urothelial Cell Carcinoma, [[Urothelial Cell Carcinoma]])
- Bladder Cancer (see Bladder Cancer, [[Bladder Cancer]])
Uterine Cancer (see Uterine Cancer, [[Uterine Cancer]])
Waldenstrom’s Macroglobulinemia (see Waldenstroms Macroglobulinemia, [[Waldenstroms Macroglobulinemia]])
Wilm’s Tumor (see Wilms Tumor, [[Wilms Tumor]])

Rheumatologic

Behcet’s Disease (see Behcets Disease, [[Behcets Disease]])
Churg-Strauss Syndrome (see Churg-Strauss Syndrome, [[Churg-Strauss Syndrome]])
Giant Cell/Temporal Arteritis (see Temporal Arteritis, [[Temporal Arteritis]])
Rheumatoid Arthritis (RA) (see Rheumatoid Arthritis, [[Rheumatoid Arthritis]])
Wegener’s Granulomatosis (see Wegeners Granulomatosis, [[Wegeners Granulomatosis]])

Drug/Toxin

All-Trans Retinoic Acid (ATRA) (see All-Trans Retinoic Acid, [[All-Trans Retinoic Acid]])
Amiodarone (see Amiodarone, [[Amiodarone]])
Bacillus Calmette-Guerin (BCG) (see Bacillus Calmette-Guerin, [[Bacillus Calmette-Guerin]])
Bleomycin (see Bleomycin, [[Bleomycin]])
Carbamazepine (see Carbamazepine, [[Carbamazepine]])
Chlorambucil (see Chlorambucil, [[Chlorambucil]])
Crack Cocaine (see Cocaine, [[Cocaine]])
Cyclophosphamide (see Cyclophosphamide, [[Cyclophosphamide]])
Fludarabine (see Fludarabine, [[Fludarabine]])
Foreign Body Granulomatosis (see Foreign Body Granulomatosis, [[Foreign Body Granulomatosis]])
Gold (see Gold, [[Gold]])
Interferon (see Interferon, [[Interferon]])
Lipoid Pneumonia (see xxLipoid Pneumoniaxx, [[Lipoid Pneumonia]])
Methotrexate (see Methotrexate, [[Methotrexate]])
Minocycline (see Minocycline, [[Minocycline]])
Mitomycin (see Mitomycin, [[Mitomycin]])
Nitrofurantoin (see Nitrofurantoin, [[Nitrofurantoin]])
Nitrogen Dioxide (see Nitrogen Dioxide, [[Nitrogen Dioxide]])
Paraffinoma (see Paraffinoma, [[Paraffinoma]])
Phenytoin (Dilantin) (see Phenytoin, [[Phenytoin]])
Propylthiouracil (PTU) (see Propylthiouracil, [[Propylthiouracil]])
Ticlopidine (see Ticlopidine, [[Ticlopidine]])
Vinblastine (see Vinblastine, [[Vinblastine]])

Other

Acute Pulmonary Embolism (see Acute Pulmonary Embolism, [[Acute Pulmonary Embolism]])
Amyloidosis (see Amyloidosis, [[Amyloidosis]])
Bronchocentric Granulomatosis (see Bronchocentric Granulomatosis, [[Bronchocentric Granulomatosis]])
Coal Worker’s Pneumoconiosis (see Coal Worker’s Pneumoconiosis, [[Coal Workers Pneumoconiosis]])
Hereditary Hemorrhagic Telangiectasia (see Hereditary Hemorrhagic Telangiectasia, [[Hereditary Hemorrhagic Telangiectasia]])
Langerhans Cell Histiocytosis (see Langerhans Cell Histiocytosis, [[Langerhans Cell Histiocytosis]])
Metastatic Calcification (see Metastatic Calcification, [[Metastatic Calcification]])
Mucoid Impaction (see Mucoid Impaction, [[Mucoid Impaction]])
Lymphangioleiomyomatosis (LAM) (see Lymphangioleiomyomatosis, [[Lymphangioleiomyomatosis]]): complex pulmonary masses may occur in patients with have been treated with pleurodesis for recurrent pneumothorax [MEDLINE]
Pseudotumor (see Pseudotumor, [[Pseudotumor]])
Pulmonary Arteriovenous Malformation (AVM) (see Pulmonary Arteriovenous Malformation, [[Pulmonary Arteriovenous Malformation]])
Pulmonary Artery Pseudoaneurysm (see Pulmonary Artery Pseudoaneurysm, [[Pulmonary Artery Pseudoaneurysm]])
Pulmonary Hematoma (see Pulmonary Hematoma, [[Pulmonary Hematoma]])
Pulmonary Vein Varicosity (see Pulmonary Vein Varicosity, [[Pulmonary Vein Varicosity]])
Radiation (see Radiation Pneumonitis and Fibrosis, [[Radiation Pneumonitis and Fibrosis]])
Rounded Atelectasis (see Rounded Atelectasis, [[Rounded Atelectasis]])
Sarcoidosis (see Sarcoidosis, [[Sarcoidosis]])
Silicosis (see Silicosis, [[Silicosis]])

References

Imaging features of lymphangioleiomyomatosis: diagnostic pitfalls. AJR Am J Roentgenol. 2011;196(4):982 [MEDLINE]