Journal of Pathology and Translational Medicine

Dongwook Kang

2 Articles

Unusual Histology of Eosinophilic Myenteric Ganglionitis: A Case Report: Hyekyung Lee, Dongwook Kang, Heejin Kim, Byungsun Cho, Jeho Jang; J Pathol Transl Med. 2017;51(3):320-324. Published online April 4, 2017; DOI: https://doi.org/10.4132/jptm.2016.09.07

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Eosinophilic myenteric ganglionitis is a disorder characterized by infiltration of the Auerbach myenteric plexus by eosinophils. As a cause of chronic intestinal pseudo-obstruction (CIPO), eosinophilic myenteric ganglionitis has been rarely reported and the majority of the reported cases in the literature were children. We experienced a case of eosinophilic myenteric ganglionitis associated with CIPO in a 53-year-old female patient. Histologic examination of the resected descending colon showed moderate eosinophilic infiltrates with hypogangliosis in the myenteric plexus. Immunohistochemical study revealed increased number of CD4-positive lymphocytes and stronger but scantier glial fibillary acid protein expression in the inflamed myenteric plexus.

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Histological characteristics of eosinophilic myenteric ganglionitis: an under-recognised cause of chronic intestinal pseudo-obstruction
Yoichi Akazawa, Takuo Hayashi, Tsuyoshi Saito, Koichiro Niwa, Hirohiko Kamiyama, Noriko Sasahara, Kazuhiro Sakamoto, Akihito Nagahara, Takashi Yao
Virchows Archiv.2019; 474(3): 395. CrossRef
Colonic Pseudo-obstruction With Transition Zone: A Peculiar Eastern Severe Dysmotility
Eun Mi Song, Jong Wook Kim, Sun-Ho Lee, Kiju Chang, Sung Wook Hwang, Sang Hyoung Park, Dong-Hoon Yang, Kee Wook Jung, Byong Duk Ye, Jeong-Sik Byeon, Suk-Kyun Yang, Hyo Jeong Lee, Chang Sik Yu, Chan Wook Kim, Seong Ho Park, Jihun Kim, Seung-Jae Myung
Journal of Neurogastroenterology and Motility.2019; 25(1): 137. CrossRef

Nuclear Image Analysis Study of Neuroendocrine Tumors: Meeja Park, Taehwa Baek, Jongho Baek, Hyunjin Son, Dongwook Kang, Jooheon Kim, Hyekyung Lee; Korean J Pathol. 2012;46(1):38-41. Published online February 23, 2012; DOI: https://doi.org/10.4132/KoreanJPathol.2012.46.1.38

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Abstract PDF

Background

There is a subjective disagreement about nuclear chromatin in the field of pathology. Objective values of red, green, and blue (RGB) light intensities for nuclear chromatin can be obtained through a quantitative analysis using digital images.

Methods

We examined 10 cases of well differentiated neuroendocrine tumors of the rectum, small cell lung carcinomas, and moderately differentiated squamous cell lung carcinomas respectively. For each case, we selected 30 representative cells and captured typical microscopic findings. Using an image analyzer, we determined the longest nuclear line profiles and obtained graph files and Excel data on RGB light intensities. We assessed the meaningful differences in graph files and Excel data among the three different tumors.

Results

The nucleus of hematoxylin and eosin-stained tumor cells was expressed as a combination of RGB light sources. The highest intensity was from blue, whereas the lowest intensity was from green. According to the graph files, green showed the most noticeable change in the light intensity, which is consistent with the difference in standard deviations.

Conclusions

The change in the light intensity for green has an important implication for differentiating between tumors. Specific features of the nucleus can be expressed in specific values of RGB light intensities.

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Difference of the Nuclear Green Light Intensity between Papillary Carcinoma Cells Showing Clear Nuclei and Non-neoplastic Follicular Epithelia in Papillary Thyroid Carcinoma
Hyekyung Lee, Tae Hwa Baek, Meeja Park, Seung Yun Lee, Hyun Jin Son, Dong Wook Kang, Joo Heon Kim, Soo Young Kim
Journal of Pathology and Translational Medicine.2016; 50(5): 355. CrossRef
Comparison of diagnostic accuracy between CellprepPlus® and ThinPrep® liquid-based preparations in effusion cytology
Yong-Moon Lee, Ji-Yong Hwang, Seung-Myoung Son, Song-Yi Choi, Ho-Chang Lee, Eun-Joong Kim, Hye-Suk Han, Jin young An, Joung-Ho Han, Ok-Jun Lee
Diagnostic Cytopathology.2014; 42(5): 384. CrossRef

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