Itai Gross1, Yael Siedner-Weintraub2, Shir Stibbe3, David Rekhtman4, Daniel Weiss5, Natalia Simanovsky6, Dan Arbell7, Saar Hashavya4. 1. Department of Pediatrics, Hadassah Medical Center, Ein Kerem, Kiryat Hadassah, POB 12000, 91120, Jerusalem, Israel. itaigross@gmail.com. 2. Department of Pediatrics, Hadassah Medical Center, Ein Kerem, Kiryat Hadassah, POB 12000, 91120, Jerusalem, Israel. 3. Faculty of Medicine, Hebrew University, Ein Kerem, Jerusalem, Israel. 4. Department of Pediatric Emergency Medicine, Hadassah Medical Center, Jerusalem, Israel. 5. Department of General Surgery, Hadassah and Hebrew University Hospital, Jerusalem, Israel. 6. Medical Imaging, Hadassah and Hebrew University Hospital, Jerusalem, Israel. 7. Pediatric Surgery, Hadassah and Hebrew University Hospital, Jerusalem, Israel.
Abstract
Mesenteric lymphadenitis (ML) is considered as one of the most common alternative diagnosis in a child with suspected acute appendicitis (AA). In this retrospective study, patients diagnosed with ML (n = 99) were compared in terms of demographic, clinical, and laboratory findings to patients diagnosed with AA (n = 102). This comparison was applied for both lymph nodes smaller and larger than 10 mm. When compared to patients with AA, patients with ML had significantly longer duration of symptoms prior to emergency department (ED) presentation (2.4 ± 2.6 vs 1.4 ± 1.4 days, P = 0.002) and multiple ED presentations (1.3 ± 0.7 vs 1.05 ± 0.3, P < 0.001) and had longer duration of stay in the ED (9.2 ± 5.9 vs 5.2 ± 4 h, P < 0.001), respectively. They also had significantly lower WBC (10.16 ± 4.7 × 103/dl vs 15.8 ± 4.4 × 103/dl, P < 0.001) with lymphocyte predominance (24.6 ± 14 vs 13 ± 8.7%, P < 0.001) and lower CRP levels (0.48 vs 1.6 mg/dl). Migration of pain (28 vs 7%), vomiting (62 vs 34%), and classic abdominal findings of AA (72 vs 20%) were all significantly more common for children with AA. When comparing lymph node size, no significant difference was found between those presenting with small and large nodes. CONCLUSION: This study highlights multiple clinical and laboratory findings that differentiate ML and AA. Moreover, the absence of any difference with regard to the lymph nodes size might suggest that lymph nodes enlargement is a non-specific finding. What is Known : • Mesenteric lymphadenitis is a very common diagnosis in children with suspected acute appendicitis. • Despite its prevalence, only few studies addressed the clinical characteristics of this clinical entity and their comparison with acute appendicitis. What is New: • Mesenteric lymphadenitis and acute appendicitis could be differentiated by multiple clinical and laboratory parameters. • No significant difference was found between those presenting with small and large lymph nodes.
Mesenteric lymphadenitis (ML) is considered as one of the most common alternative diagnosis in a child with suspected acute appendicitis (AA). In this retrospective study, patients diagnosed with ML (n = 99) were compared in terms of demographic, clinical, and laboratory findings to patients diagnosed with AA (n = 102). This comparison was applied for both lymph nodes smaller and larger than 10 mm. When compared to patients with AA, patients with ML had significantly longer duration of symptoms prior to emergency department (ED) presentation (2.4 ± 2.6 vs 1.4 ± 1.4 days, P = 0.002) and multiple ED presentations (1.3 ± 0.7 vs 1.05 ± 0.3, P < 0.001) and had longer duration of stay in the ED (9.2 ± 5.9 vs 5.2 ± 4 h, P < 0.001), respectively. They also had significantly lower WBC (10.16 ± 4.7 × 103/dl vs 15.8 ± 4.4 × 103/dl, P < 0.001) with lymphocyte predominance (24.6 ± 14 vs 13 ± 8.7%, P < 0.001) and lower CRP levels (0.48 vs 1.6 mg/dl). Migration of pain (28 vs 7%), vomiting (62 vs 34%), and classic abdominal findings of AA (72 vs 20%) were all significantly more common for children with AA. When comparing lymph node size, no significant difference was found between those presenting with small and large nodes. CONCLUSION: This study highlights multiple clinical and laboratory findings that differentiate ML and AA. Moreover, the absence of any difference with regard to the lymph nodes size might suggest that lymph nodes enlargement is a non-specific finding. What is Known : • Mesenteric lymphadenitis is a very common diagnosis in children with suspected acute appendicitis. • Despite its prevalence, only few studies addressed the clinical characteristics of this clinical entity and their comparison with acute appendicitis. What is New: • Mesenteric lymphadenitis and acute appendicitis could be differentiated by multiple clinical and laboratory parameters. • No significant difference was found between those presenting with small and large lymph nodes.
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