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Intra-abdominal pulmonary sequestration: diagnostic difficulties. 1997

N A Morad, and T al-Malki, and M e-Tahir
Department of Pathology, College of Medicine, King Saud University, Abha, Saudi Arabia.

This case report describes the unusual occurrence of congenital cystic adenomatoid malformation (CCAM) type 2 in an intra-abdominal pulmonary sequestration as a cause of diagnostic difficulties. The mass was discovered incidentally during a routine prenatal ultrasound in an infant with no other congenital malformation. Extralobar pulmonary sequestrations (EPS) located in the abdomen are rarely diagnosed prior to excision. The presence of CCAM type 2 in this situation might impose difficulties in histologic diagnosis of EPS, especially at the time of frozen section as happened in this case. To our knowledge this case is the sixth reported case of intra-abdominal EPS and the sixteenth case of EPS histologically displaying the feature of CCAM type 2. Pathologists should be aware that EPS in any location might display histologic features of CCAM type 2 even if the EPS is intra-abdominal.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008279 Magnetic Resonance Imaging Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques. Chemical Shift Imaging,MR Tomography,MRI Scans,MRI, Functional,Magnetic Resonance Image,Magnetic Resonance Imaging, Functional,Magnetization Transfer Contrast Imaging,NMR Imaging,NMR Tomography,Tomography, NMR,Tomography, Proton Spin,fMRI,Functional Magnetic Resonance Imaging,Imaging, Chemical Shift,Proton Spin Tomography,Spin Echo Imaging,Steady-State Free Precession MRI,Tomography, MR,Zeugmatography,Chemical Shift Imagings,Echo Imaging, Spin,Echo Imagings, Spin,Functional MRI,Functional MRIs,Image, Magnetic Resonance,Imaging, Magnetic Resonance,Imaging, NMR,Imaging, Spin Echo,Imagings, Chemical Shift,Imagings, Spin Echo,MRI Scan,MRIs, Functional,Magnetic Resonance Images,Resonance Image, Magnetic,Scan, MRI,Scans, MRI,Shift Imaging, Chemical,Shift Imagings, Chemical,Spin Echo Imagings,Steady State Free Precession MRI
D008297 Male Males
D011859 Radiography Examination of any part of the body for diagnostic purposes by means of X-RAYS or GAMMA RAYS, recording the image on a sensitized surface (such as photographic film). Radiology, Diagnostic X-Ray,Roentgenography,X-Ray, Diagnostic,Diagnostic X-Ray,Diagnostic X-Ray Radiology,X-Ray Radiology, Diagnostic,Diagnostic X Ray,Diagnostic X Ray Radiology,Diagnostic X-Rays,Radiology, Diagnostic X Ray,X Ray Radiology, Diagnostic,X Ray, Diagnostic,X-Rays, Diagnostic
D001998 Bronchopulmonary Sequestration A developmental anomaly in which a mass of nonfunctioning lung tissue lacks normal connection with the tracheobroncheal tree and receives an anomalous blood supply originating from the descending thoracic or abdominal aorta. The mass may be extralobar, i.e., completely separated from normally connected lung, or intralobar, i.e., partly surrounded by normal lung. Pulmonary Sequestration,Bronchopulmonary Sequestrations,Pulmonary Sequestrations,Sequestration, Bronchopulmonary,Sequestration, Pulmonary,Sequestrations, Bronchopulmonary,Sequestrations, Pulmonary
D003937 Diagnosis, Differential Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures. Diagnoses, Differential,Differential Diagnoses,Differential Diagnosis
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012187 Retroperitoneal Space An area occupying the most posterior aspect of the ABDOMINAL CAVITY. It is bounded laterally by the borders of the quadratus lumborum muscles and extends from the DIAPHRAGM to the brim of the true PELVIS, where it continues as the pelvic extraperitoneal space. Retroperitoneal Spaces,Space, Retroperitoneal,Spaces, Retroperitoneal
D015615 Cystic Adenomatoid Malformation of Lung, Congenital An abnormality in lung development that is characterized by a multicystic mass resulting from an adenomatous overgrowth of the terminal BRONCHIOLES with a consequent reduction of PULMONARY ALVEOLI. This anomaly is classified into three types by the cyst size. Congenital Cystic Adenomatoid Malformation,Congenital Cystic Adenomatoid Malformation of Lung,Congenital Cystic Adenomatoid Malformation, Type 1,Congenital Cystic Adenomatoid Malformation, Type 2,Congenital Cystic Adenomatoid Malformation, Type 3,Congenital Cystic Adenomatoid Malformation, Type I,Congenital Cystic Adenomatoid Malformation, Type II,Congenital Cystic Adenomatoid Malformation, Type III,Cystic Adenomatoid Malformation of Lung,Lung Malformation, Congenital Cystic Adenomatoid,Lung Malformation, Cystic Adenomatoid, Congenital

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