A Rare Benign Pulmonary Neoplasm: A Case Report of Benign Pulmonary Papillary Adenoma

Papillary adenoma of the lung is a rather rare tumor. We will present a case of papillary adenoma in the lung with malignant transformation in a 65-year-old male patient. A high dense soft tissue mass was detected in the lateral segment of the right middle lobe by CT examination. Cytologically, the tumor contained the benign cells similar to normal alveolar epithelium and the malignant cells which were significantly enlarged and irregular, crowded, or overlapping. Immunohistochemical staining showed that the epithelial cells were diffusely positive for TTF-1, napsin-A, and CK7, but were negative for p63, p40, CK5/6, CgA, Syn, CD56, and TG. The Ki67 index was about 5%. All of these evidences indicated that it was a case of papillary adenoma with malignant transformation. Thus, it should be noted that more active treatment measures should be taken to treat pulmonary papillary adenoma.

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Synchronous detection of a pulmonary papillary adenoma and lung metastases in a patient with osteosarcoma in relapse

Medical and Pediatric Oncology ◽

10.1002/mpo.1287 ◽

2002 ◽

Vol 38 (2) ◽

pp. 125-127 ◽

Cited By ~ 10

Author(s):

Andrea Neusuess ◽

Alexander Claviez ◽

Thomas Schroeter ◽

Dieter Harms ◽

Meinolf Suttorp

Keyword(s):

Lung Metastases ◽

Papillary Adenoma ◽

Synchronous Detection ◽

Pulmonary Papillary Adenoma

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PAPILLARY ADENOMA OF THE GALLBLADDER, A CASE REPORT

The journal of the Japanese Practical Surgeon Society ◽

10.3919/ringe1963.45.1140 ◽

1984 ◽

Vol 45 (8) ◽

pp. 1140-1145

Author(s):

Yoshinori KUSAZIMA ◽

Masayuki ITO ◽

Masashi KATO ◽

Ichiro KONISHI ◽

Hideharu FUJITA ◽

...

Keyword(s):

Case Report ◽

Papillary Adenoma

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CASE REPORT: A RARE CASE OF ACCESSORY NIPPLE (POLYTHELIA) PRESENTING AS PAPILLARY ADENOMA

Journal of Evolution of Medical and Dental Sciences ◽

10.14260/jemds/2014/2095 ◽

2014 ◽

Vol 3 (8) ◽

pp. 2005-2007

Author(s):

Shekappa C Malagimani ◽

Jashvanth C T ◽

Kasasomasekhar Kasasomasekhar ◽

Ulhas Paga

Keyword(s):

Case Report ◽

Rare Case ◽

Papillary Adenoma

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Cystic fibrohistiocytic tumour of the lung presenting with recurrent pneumothoraces: a case report

Monaldi Archives for Chest Disease ◽

10.4081/monaldi.2020.1398 ◽

2020 ◽

Vol 90 (3) ◽

Author(s):

Christos Kakos ◽

Savvas Lampridis ◽

Georgios Geropoulos ◽

Reena Khiroya ◽

Achilleas Antonopoulos ◽

...

Keyword(s):

Differential Diagnosis ◽

Case Report ◽

Fibrous Histiocytoma ◽

Skin Lesions ◽

Natural Course ◽

Cystic Lesions ◽

Fibrous Histiocytomas ◽

Pulmonary Neoplasm ◽

History Of

Cystic fibrohistiocytic tumour of the lung is a very rare pathological entity that occurs either as a primary pulmonary neoplasm or as a metastasis from skin lesions called cellular fibrous histiocytomas. Herein, we present the case of a 19-year old man with a history of recurrent pneumothoraces who was managed surgically and was eventually diagnosed with cystic fibrohistiocytic tumour of the lung. Clinicians should include this disease in the differential diagnosis of pulmonary cystic lesions and be aware of its association with cellular fibrous histiocytoma. Reporting of more cases is warranted to further elucidate the natural course of the disease and optimise its management.

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