ACUTE ACALCULOUS CHOLECYSTITIS WITH GALLBLADDER PERFORATION IN CHILDREN CASE REPORT

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12 CASE PRESENTATIONS ACUTE ACALCULOUS CHOLECYSTITIS WITH GALLBLADDER PERFORATION IN CHILDREN CASE REPORT Assist. Prof. PhD MD Iulia Straticiuc Ciongradi 1,2 ; Assist. Prof. PhD MD Laura Trandafir 1,3 ; MD. Doina Mihaila 4 ; Assoc. Prof PhD MD S.G. Aprodu 1,2 1 University of Medicine and Pharmacy, Grigore T. Popa, Iasi 2 Department of Pediatric Surgery, Hospital for children Sf. Maria, Iasi 3 IIIrd Department of Pediatrics, Hospital for children Sf. Maria, Iasi 4 Department of Morphopathology, Hospital for children Sf. Maria, Iasi ABSTRACT Although relatively common in adult pathology, acute acalculous cholecystitis with gallbladder perforation is a rather infrequent entity in pediatric practice. In many cases, its unspecific clinical symptoms and the often inconclusive medical imagining results lead to the diagnosis of acute acalculous cholecystitis being set intraoperatively. Nevertheless, this condition should be considered when setting the differential diagnosis of a peritonitis syndrome in children. Key words: acute acalculous cholecystitis, peritonitis INTRODUCTION Spontaneous gallbladder perforation is extremely rare in pediatric practice, as it is an exclusive complication of acute cholecystitis or of gallbladder inflammation, accompanied or not by gallstones spillage. Notwithstanding the above, gallbladder perforation should be considered when setting the differential diagnosis of an acute abdomen. The gallbladder perforation diagnosis is extremely hard to set, as its clinical examination, biological specimens and imaging explorations are unspecific. This usually delays the diagnosis, which is most of the times set intraoperatively. Case report Here is the case of a 2-year-old male patient, with no significant pathological history, who comes to the authors clinic complaining of altered general state, anorexia, abdominal pains and constipation (intestinal transit present only for gases, and no stool for 5 days). The onset of the condition dates about 14 days back, when due to several episodes of fever the patient was diagnosed with bilateral presuppurative otitis media. The patient underwent intravenous antibiotic therapy (cephalosporin), further to which his ENT condition improved. While recovering from his otitis, about 7 days after the disease onset, the patient complained of abdominal pain, vomiting and diarrheic stools (which were initially aqueous but later became semi-consistent). We decided to hospitalize the child, to start his symptomatic therapy and to attempt the restoration of his fluid and electrolytic balance. His intravenous antibiotic therapy was continued and 48 hours later his diarrheic stools disappeared. However, the patient s general state was still altered, as he refused to eat, abdominal meteorism and constipation set in. The abdominal ultrasound scan performed at the beginning of the diarrheic episode reveals a Coresponding author: Assist. Prof. PhD MD Iulia Straticiuc Ciongradi, University of Medicine and Pharmacy, Grigore T. Popa, Str. Vasile Lupu 62-64, Iasi e-mail: drpediatrie@yahoo.com 388 REVISTA ROMÂNÅ DE PEDIATRIE VOLUMUL LXII, NR. 4, AN 2013

REVISTA ROMÂNÅ DE PEDIATRIE VOLUMUL LXII, NR. 4, AN 2013 389 much relaxed, dysmorphic and acalculous gallbladder and no fluid in the peritoneal cavity. The clinical examination conducted when the patient came to the surgical department revealed his altered overall health status, abdominal meteorism, very painful abdomen both at rest and on palpation, whereas the digital rectal examination performed revealed an empty rectal ampulla and no traces of feces. The biological specimens revealed no significant changes, except a slight neutrophilia. We suspected a peritonitis syndrome and therefore recommended a thoracic-abdominal X-ray, which revealed no pathological changes, as well as an abdominal ultrasound scan, which revealed a homogeneous echostructure of the liver, a very distended folded acalculous gallbladder and downward biliary sludge. The ultrasonography also identified some fluid in the peritoneal cavity, including around the gallbladder. Since we still suspected peritonitis, possibly of appendiceal etiology, we decided to transfer the patient to the pediatric surgery department. The surgical procedure was performed under general anesthesia and consisted of a medial laparotomic approach. In his peritoneal cavity we identified a significant amount of what seemed to be biliary fluid, an inflamed gallbladder, a considerable wall edema, as well as a perforated area located close to the gallbladder fundus (Fig. 1). The appendix had a normal appearance. Given the current condition of the patient, who was diagnosed with biliary peritonitis due to acute acalculous cholecystitis with gallbladder perforation, we decided to perform the necessary cholecystectomy, accompanied by the thorough irrigation of the peritoneal cavity, as well as the insertion of a subhepatic drain tube. We applied an absorbable fibrin sealant patch designed to achieve hemostasis and to protect the remaining gallbladder or hepatic bed (Fig. 2). The patient s postoperative evolution was positive, the drain tube could be removed 72 hours after the surgery and the patient was discharged 6 days after the surgery. FIGURE 2. He patic gallbladder bed with absorbable fi brin sealant patch intraoperative appearance A The pathology findings of the excised specimen enabled us to set the diagnosis of acute phlegmonous cholecystitis, as the microscopic examination revealed an inflamed gallbladder wall with stasis and hemoragea and large area of mucosa ulcerations. We also found, in one specimen, an area of transparietal perforation, covered by a layer of necrotico-leukocytic detritus (Fig. 3, Fig. 4). B FIGURE 1. Gallbladder perforation (A) intraoperative appearance (black arrow) and (B) excised specimen (white arrow) FIGURE 3. Phlegmonous cholecystitis stasis and hemoragea

390 REVISTA ROMÂNÅ DE PEDIATRIE VOLUMUL LXII, NR. 4, AN 2013 FIGURE 4. Phlegmonous cholecystitis border of the perforation The child was subsequently followed up for 18 months, during which time he was on a specific diet. The patient is now completely asymptomatic. DISCUSSIONS Acquired gallbladder conditions are much more infrequent in children than in adults, as for every 1,000 cases of cholecystitis in adults reported in literature there are only 1.3 such cases in children. Acute acalculous cholecystitis makes up about 5-10% of acute cholecystitis in adults, and it is even less common in pediatric pathology. About 30-50% of acute cholecystitis cases in children, defined by gallbladder wall inflammation, are acalculous, as compared to 2-17% in adult pathology (1). At the same time, gallbladder perforation is almost exclusively a complication of acute cholecystitis, with or without gallstones spillage. According to literature data, gallbladder wall inflammation may evolve to ischemia, necrosis and then perforation (2) in 2-11% of the cases of acute cholecystitis. The perforation is located mostly in the gallbladder fundus, as this is a poorly vascularized area. In 1934, Niemeier (3) classified cholecystitis with gallbladder perforation in three categories: Type 1 or acute acute perforation with generalized biliary peritonitis; Type 2 or subacute pericholecystic abscess; Type 3 or chronic cholecystoenteric fistula. Just like most of the cases reported in literature, the case described above belongs to the first type of gallbladder perforation. The causes of acute acalculous cholecystitis include: sepsis, severe burns, injuries, different types of infections (pneumonia, giardiasis, otitis, malaria, etc) (4), yet there have been reported cases of apparently perfectly healthy children who suffered from this condition (5). The most common germs involved in acute acalculous pediatric cholecystitis etiology are: streptococci (groups A and B), gramnegative germs (especially Salmonella), hepatitis A virus, Ebstein Barr virus and different parasites (6). In the case of our patient, we consider gallbladder inflammation secondary to and associated with the fit of acute enterocolitis. No germ was identified in the peritoneal fluid cultures. The gallbladder perforation symptoms are extremely unspecific especially in babies and include abdominal pain, meteorism, vomiting, which are characteristic of any peritonitis syndrome in children and which were also reveled in our patient. As concerns medical imaging diagnosis, it relies especially on ultrasound scanning, although there is no clearly set criterion in literature to define acute alcalculous cholecystitis by ultrasonographic means. Thus, the diagnosis is positive in case of: gallbladder wall thickness exceeding 3 mm, globular gallbladder distension, fluid present around the gallbladder, striated gallbladder wall and sludge in the gallbladder, although none of these signs proved pathognomonic (7,8). Nevertheless, the association of 2 or more of these signs is highly suggestive of a diagnosis of acute cholecystitis. In the case of our patient, we identified retrospectively the presence of three signs: fluid around the gallbladder, distended gallbladder and sludge in the gallbladder. However, this diagnosis was not considered before the surgery. CONCLUSIONS Although rare, acute acalculous cholecystitis with gallbladder perforation is an entity that should be considered when dealing with a patient with acute surgical abdomen. The association between a peritonitis syndrome with gallbladder distension and fluid present around the gallbladder revealed by ultrasonographic means are highly suggestive of this diagnosis. Early diagnosis and surgical procedure are important for a positive evolution of these cases.

REVISTA ROMÂNÅ DE PEDIATRIE VOLUMUL LXII, NR. 4, AN 2013 391 REFERENCES 1. D.E. Tsakayannis, H.P. Kozakewich, C.W. Lillehei Acalculous cholecystitis in children J Pediatr Surg, 31 (1) (1996), pp. 127-130 2. A. Bedirli, O. Sakrak, E.M. Sozuer et al. Factors effecting the complications in the natural history of acute cholecystitis Hepatogastroenterology, 48 (2001), pp. 1275-1278 3. Niemeier O.W. Acute free perforation of the gall bladder. Ann Surg 1934; 99:922-4 4. L.E. Pelinka, R. Schmidhammer, L. Hamid et al. Acute acalculous cholecystitis after trauma: a prospective study J Trauma, 55 (2) (2003), pp. 323-329 5. D. Croteau, R.D. Signer, M.S. Chaet Acalculous cholecystitis in a two year old. JSLS Apr-Jun, 5 (2) (2001), pp. 183-185 6. F.J. Suchy Diseases of the gallbladder R.E. Behrman, R.M. Kliegman, H.B. Jenson (Eds.), Nelson textbook of pediatrics (16th ed.), W.B. Saunders Company, Philadelphia (2000), pp. 1223-1224 7. M. Imamoglu, H. Sarihan, A. Sari et al. Acute acalculous cholecystitis in children: diagnosis and treatment J Pediatr Surg, 37 (2002), pp. 36-39 8. R.H. Cohan, B.S. Mahony, J.D. Bowie et al. Striated intramural gallbladder lucencies on US studies: predictors of acute cholecystitis Radiology, 164 (1987), pp. 31-35

PREZENTĂRI DE CAZ 12 COLECISTITA ACUTĂ ALITIAZICĂ LA COPIL PREZENTARE DE CAZ Asist. Univ. Dr. Iulia Straticiuc Ciongradi 1,2, Asist. Univ. Dr. Laura Trandafir 1,3, Dr. Doina Mihăilă 4, Conf. Dr. S.G. Aprodu 1,2 1 Universitatea de Medicină şi Farmacie Grigore T. Popa, Iaşi 2 Clinica de Chirurgie şi Ortopedie pediatrică, Spitalul de copii Sf. Maria, Iaşi 3 Clinica III Pediatrie, Spitalul de copii Sf. Maria, Iaşi 4 Departamentul de anatomie patologică, Spitalul de copii Sf. Maria, Iaşi REZUMAT Colecistita acută perforată alitiazică, frecventă la adult, este o entitate rar întâlnită la copil. Simptomatologia clinică necaracteristică, aspectele imagistice frecvent neconcludente, fac ca diagnosticul de colecistită acută alitiazică să fie deseori stabilit intraoperator. Această condiţie trebuie totuşi să fi e evocată în cadrul diagnosticului diferenţial al unui sindrom peritonitic la copil. Cuvinte cheie: colecistită acută alitiazică, peritonită INTRODUCERE Perforaţia spontană a veziculei biliare este extrem de rar întâlnită în practica pediatrică, fiind o complicaţie exclusivă a colecistitei acute, inflamaţie a veziculei biliare, asociind sau nu litiază veziculară. Cu toate acestea, perforaţia veziculei biliare trebuie avută în vedere în cadrul diagnosticului diferenţial al unui abdomen acut. Diagnosticul colecistitei perforate este extrem de greu de stabilit, examenul clinic, probele biologice şi explorările imagistice, fiind nespecifice. Se produce astfel o întârziere de diagnostic, acesta fiind de cele mai multe ori stabilit intraoperator. PREZENTARE DE CAZ Prezentăm cazul unui pacient de sex masculin, în vârstă de 2 ani, fără antecedente patologice semni ficative, care se prezintă în clinica autorilor pentru alterarea stării generale, anorexie, dureri abdo minale şi constipaţie (prezenţa tranzitului intestinal doar pentru gaze, cu absenţa scaunului de 5 zile). Din istoric, reţinem debutul afecţiunii în urmă cu circa 14 zile, când, în urma unor episoade febrile, pa cientul a fost diagnosticat cu otită medie presupurativă, bilaterală. S-a iniţiat tratament antibiotic intravenos (cefalosporină), cu evoluţie favorabilă a afecţiunii din sfera ORL. În evoluţie, la circa 7 zile, apar dureri abdominale, vărsături şi scaune diareice (iniţial apoase, ulterior semiconsistente). Se decide spitalizarea, iniţiindu-se tratamentul simptomatic, reechilibrare hidroelectrolitică şi se continuă antibioterapie intravenoasă, sub care scaunele diareice se remit, după circa 48 de ore, însă starea generală alterată se menţine, cu refuzul alimentaţiei, apariţia meteorismului abdominal şi instalarea constipaţiei. Ecografia abdominală, efectuată la debutul episodului diareic, relevă colecist mult destins, dismorfic, alitiazic, absenţa lichidului în cavitatea peritoneală. La consultul chirurgical se constată la examenul clinic stare generală influenţată, meteorism abdominal, durere abdominală intensă difuză, spontană şi la palpare, iar la tuşeul rectal ampulă rectală goală, fără urme de materii fecale. Probele biologice nu au evidenţiat modificări semnificative, cu excepţia unei uşoare neutrofilii. Adresa de corespondenţă: Asist. Univ. Dr Laura Trandafi r, Spitalul de copii Sf. Maria, Str. Vasile Lupu nr. 62-64, Iaşi e-mail: drpediatrie@yahoo.com REVISTA ROMÂNÅ DE PEDIATRIE VOLUMUL LXII, NR. 4, AN 2013 441

442 REVISTA ROMÂNÅ DE PEDIATRIE VOLUMUL LXII, NR. 4, AN 2013 Se suspicionează un sindrom peritonic, astfel încât se efectuează radiografie toraco-abdominală, ce nu relevă modificări patologice, precum şi o nouă ecografie abdominală, care identifică ficat cu ecostructură omogenă, colecist mult destins, ciudat, cu depozit biliar decliv prezent, alitiazic. Se identifică, de asemenea, şi o cantitate medie de lichid prezent în cavitatea peritoneală, inclusiv pe ricolecistic. Deoarece se menţine suspiciunea unei peritonite, probabil de etiologie apendiculară, se decide transferul pacientului în departamentul de chirurgie pediatrică. Se intervine chirurgical, sub anestezie generală, cu abord prin laparotomie mediană. În cavitatea peritoneală se identifică o cantitate importantă de lichid cu aspect biliar, vezicula biliară inflamată, cu important edem de perete, precum şi o zonă de perforaţie, localizată în apropierea fundusului colecistului (Fig. 1). Apendicele a fost identificat ca fiind de aspect normal. În acest context, cu diagnosticul de peritonită biliară secundară unei colecistite acute alitiazice perforate, se decide efectuarea colecistectomiei de necesitate, asociată cu lavajul abundent al cavităţii peritoneale, precum şi plasarea unui tub de dren subhepatic. În vederea realizării hemostazei şi pentru a proteja patul colecistic hepatic restant, se plasează la acest nivel o f olie absorbabilă de fibrină (Fig. 2). Evoluţia postoperatorie a fost favorabilă, cu extragerea tubului de dren la 72 de ore postoperator şi externarea pacientului la 6 zile postoperator. FIGURA 2. Patul hepatic al colecistului cu folie de fi brină aspect intraoperator Examenul anatomopatologic al piesei rezecate a relevat diagnosticul de colecistită acută flegmonoasă, aspectul microscopic fiind de perete de colecist cu infiltrat inflamator p olimorf în toate păturile, stază şi focare hemoragice, ulceraţii întinse ale mucoasei. Pe un fragment apare o arie de ulceraţie transparietală acoperită cu detritus necroticoleucocitar (perforaţia) (Fig. 3, Fig. 4). A FIGURA 3. Colecistita fl egmonoasă stază şi hemoragii FIGURA 1. Perforaţia colecistului (A) aspect intraoperator (săgeată neagră) şi (B) piesă de excizie (săgeata albă) B FIGURA 4. Colecistita fl egmonoasă marginea perforaţiei

REVISTA ROMÂNÅ DE PEDIATRIE VOLUMUL LXII, NR. 4, AN 2013 443 Supravegherea copilului s-a realizat ulterior pe o perioadă de 18 luni, cu menţinerea regimului alimentar specific, pacientul fiind în acest interval complet asimptomatic. DISCUŢII Afecţiunile dobândite ale veziculei biliare la copil sunt mult mai rare decât cele ale adultului, pentru fiecare 1.000 de cazuri de adulţi cu afectare colecistică raportate în literatură corespunzând doar 1,3 cazuri pediatrice. Colecistita acută alitiazică reprezintă circa 5-10% dintre colecistitele acute ale adultului, fiind însă şi mai rar întâlnită în patologia pediatrică. Dintre colecistitele acute ale copilului, definite de inflamaţia peretelui colecistic, circa 30-50% sunt alitiazice, spre deosebire de 2-17% în patologia adultului (1). În aceleaşi timp, perforaţia veziculei biliare este aproape exclusiv o complicaţie a colecistitei acute, asociind sau nu litiaza veziculară. Datele din literatură relevă faptul că în 2-11% dintre cazurile de colecistită acută inflamaţia peretelui colecistic poate evolua spre ischemie, necroză şi ulterior perforaţie (2), perforaţie localizată cel mai frecvent la nivelul fundusului vezicular, zonă cu vascularizaţie precară. În 1934, Niemeier (3) a realizat o clasificare a colecistitelor perforate, definind trei tipuri ale afecţiunii: Tipul 1 sau acut perforaţia acută cu peritonită biliară generalizată; Tipul 2 sau subacut abcesul pericolecistic; Tipul 3 sau cronic fistula colecistenterică. Cazul de faţă, ca şi marea majoritate a celor rapor tate în literatură, se încadrează în tipul 1 de perforaţie colecistică. Cauzele colecistitei acute alitiazice includ: sepsisul, arsurile grave, traumatismele, diferite tipuri de infecţii (pneumonia, giardiaza, otitele, malaria, etc.) (4), dar au fost raportate cazuri şi apărute la copii, în plină stare de sănătate (5). Dintre germenii implicaţi în etiologia colecistitei acute alitiazice la copil, cei mai frecvenţi sunt: streptococii (grup A şi B), germenii gram negativi (mai ales Salmonella), virusul hepatitic A, virusul Epstein-Barr şi diferiţi paraziţi (6). În cazul prezentat, considerăm inflama ţia veziculei biliare secundară şi asociată puseului de enterocolită acută. Nu am identificat nici un germen în culturile lichidului peritoneal. Simptomatologia perforaţiei de veziculă biliară este extrem de necaracteristică, în special la copilul mic, şi include durere abdominală, meteorism, vărsături, elemente comune pentru orice sindrom peritonitic la vârstă pediatrică, aspect clinic pe care l-am identificat şi în cazul de faţă. În ceea ce priveşte diagnosticul imagistic, acesta se bazează mai ales pe aspectele ecografice, deşi în literatură nu există nici un criteriu clar stabilit pentru a defini ultrasonografic colecistita acută alitiazică. Astfel, pentru diagnosticul pozitiv sunt evocate: grosimea peretelui vezicular de peste 3 mm, distensia globulară a veziculei biliare, prezenţa de lichid pericolecistic, aspectul striat al peretelui vezicular, prezenţa de sludge intravezicular, deşi nici unul dintre aceste semne nu s-a dovedit a fi pato gnomonic (7,8). Cu toate acestea, se consideră că asocierea a 2 sau mai multe dintre aceste semne este înalt sugestivă pentru diagnosticul de colecistită acută. În cazul de faţă am identificat retrospectiv aso cierea lichidului pericolecistic, a distensiei veziculei biliare, precum şi prezenţa de sludge intra colecistic, în ciuda acestor elemente, diagnosticul nefiind evocat preoperator. CONCLUZII Colecistita acută alitiazică perforată, deşi este o entitate rară la copil, trebuie evocată în faţa unui pacient cu abdomen acut chirurgical. Asocierea sindromului peritonitic cu distensia veziculei biliare şi prezenţa lichidului pericolecistic, identificate ecografic sunt înalt sugestive pentru acest diagnostic. Diagnosticul şi intervenţia chirurgicală precoce sunt importante pentru evoluţia favorabilă a acestor cazuri.