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Figure 1

Interconnected trabeculae, separating from a vascular stroma - carcinoid tumor (H&E 10X).
Interconnected trabeculae, separating from a vascular stroma - carcinoid tumor (H&E 10X).

Figure 2

CT examination - Female pacient with a round hilar mass with irregular inferior edge - atypical carcinoid tumor.
CT examination - Female pacient with a round hilar mass with irregular inferior edge - atypical carcinoid tumor.

Figure 3

CT scan - Peripheral tumor with well defined border – pulmonary lipoma.
CT scan - Peripheral tumor with well defined border – pulmonary lipoma.

Figure 4

CT Scan - Large round mass with irregular edges localized in the right lung - Liposarcoma.
CT Scan - Large round mass with irregular edges localized in the right lung - Liposarcoma.

Figure 5

Multiple mesenchymal and epithelial elements without necrosis - Hamartoma (H&E 10X).
Multiple mesenchymal and epithelial elements without necrosis - Hamartoma (H&E 10X).

Figure 6

CT Scan - Well-defined lung mass, without necrosis but with slighty calcifications - Hamartoma.
CT Scan - Well-defined lung mass, without necrosis but with slighty calcifications - Hamartoma.

Figure 7

Cells with keratin with few atypia - Angiosarcoma (H&E 10X).
Cells with keratin with few atypia - Angiosarcoma (H&E 10X).

Figure 8

CT scan - Large central tumor situated in middle and lower lobe with spiculate margins - pulmonary angiosarcoma.
CT scan - Large central tumor situated in middle and lower lobe with spiculate margins - pulmonary angiosarcoma.

Figure 9

CT scan - Multicentric masses (red arrow) with central bronchiectasis and necrosis (white arrows) - pulmonary Angiocentric Lymphoma.
CT scan - Multicentric masses (red arrow) with central bronchiectasis and necrosis (white arrows) - pulmonary Angiocentric Lymphoma.

Histopathological diagnosis of 32 rare primary pulmonary neoplasms (National Matsudo Hospital and National Cancer Hospital East – Japan)

Types of malignant tumours (n = 20)Patients no (%)
Epithelial tumours
Adenocystic carcinoma1 (5)
Mucoepidermoid carcinoma2 (10)
Bronchial gland mixed tumour2 (10)
Myoepitelioma1 (5)
Soft tissue tumours
Leiomyosarcoma1 (5)
Epitheloid haemangioendothelioma1 (5)
Hemangiopericytoma1 (5)
Miscellaneous tumours
Carcinosarcoma3 (15)
Malignant melanoma1 (5)
Malignant lymphoma6 (30)
Coriocarcinoma1 (5)
Types of benign tumours (n = 12)Patients no (%)
Epithelial tumours
Papillomas3 (25)
Adenomas1 (8.3)
Soft tissue tumours
Fibromas1 (8.3)
Lipoma3 (25)
Leiomyoma3 (25)
Miscellaneous tumours
Meningioma1 (8.3)

Histopathological diagnoses of 80 rare primary pulmonary neoplasms (Mayo Clinic, 1980–1990)

Types of neoplasmPatients no (%)
Lymphoma33 (41)
 • Small cell22
 • Large cell6
 • Mixed cell5
Carcinosarcoma16 (20)
Mucoepidermoid carcinoma12 (15)
Malignant fibrous histiocytoma4 (5)
Malignant melanoma3 (4)
Fibrosarcoma3 (4)
Leiomyosarcoma3 (4)
Angiosarcoma2 (2)
Haemangiopericytoma2 (2)
Osteosarcoma1 (1)
Blastoma1 (1)
eISSN:
2247-059X
Language:
English
Publication timeframe:
Volume Open
Journal Subjects:
Medicine, Clinical Medicine, other, Internal Medicine, Pneumology