- A Histologic Classification of Diffuse Interstitial Lung Disease and Its Clinical Significance.
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Eun Suk Koh, Dong Wha Lee, So Young Jin, Sang Ho Cho
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Korean J Pathol. 1996;30(11):998-1010.
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- Diffuse interstitial lung disease(DILD) is a large group of heterogeneous diseases that diffusely involve the pulmonary connective tissues, principally subpleural, interlobular and alveolar wall portions. Terminology and classification of these diseases are not uniform, and the cause and the pathogenesis are unknown in many entities. It is generally accepted that the response to therapy is related to the relative degree of cellularity and fibrosis present, therefore a histologic evaluation of the relative extent and severity of these changes is required. We reviewed 52 cases of DILD from January 1990 to May 1995 diagnosed by open lung biopsy to reappraise classification and quantitative assessment of the histopathologic features. Differential histopathologic features between usual interstitial pneumonia(UIP) and nonspecific interstitial pneumonia(NIP) were examined with a correlation of HRCT findings and clinical findings. Among 52 cases of DILD, 18 cases(34.6%) were UIP, 6 cases(11.5%) were hypersensitivity pneumonia was NIP was 5 cases(9.6%), interstitial lung diseases associated with the connective tissue diseases were 5 cases(9.6%), inorganic dusts were 4 cases(7.7%), infections were 4 cases(7.7%), durgs were 2 cases(3.8%), acute interstitial pneumonia was 1 case(1.9%), sarcoidosis was 1 case(1.9%) in order of frequency plus 6 other cases(11.5%). UIP was the most frequent DILD in this study which seemed to be a criteria bias of patient selection on open lung biopsy.
Quantitative assessment of histopathologic features was useful in the differential diagnosis of DILD and differentiation of UIP from NIP was possible based on histopathologic features and supported by HRCT. UIP disclosed a significantly high score of fibrotic changes, especially in the interstitial fibrosis, smooth muscle proliferation and honeycombing, otherwise NIP appeared relatively high score in inflammatory changes. Correlation between histopathologic scores and the clinical outcome after steroid therapy or no therapy in UIP was not evident.
- Adenoid Cystic Carcinoma of the Esophagus: Report of a case with brief review of the literature.
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Eun Suk Koh, In Sook Kim, Tae Jung Kwon, Dong Wha Lee, Chan Sup Shim, Kihl Rho Lee
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Korean J Pathol. 1990;24(4):482-488.
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- Adenoid cystic carcinoma of the esophagus is a rare tumor and has been considered to be counterpart of the salivery gland. The patient we experienced was a 60-year-old female who had a tumor in the lower third of the esophagus. The tumor was located in the submucosa and showed histologic features similar to those of the salivary gland. Electron micrsopic examination revealed ductal structures invested by basal lamina, and clusters of basaloid cells with tonofilaments and desmosomes. No myoepithelial cells were identified. Immunohistochemical studies for S-100 protein, cytokeratin and vimentin were performed. A few cells showed positive reaction to the S-100 protein. These findings suggest that the esophageal adenoid cystic carcinoma arises from the duct of submucosal gland.
- Fine Needle Aspiration Cytology of Liposarcoma: Report of 3 cases.
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Eun Suk Koh, So Young Jin, Tae Jung Kwon, Dong Wh Lee
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Korean J Cytopathol. 1990;1(2):139-146.
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- The application of fine needle aspiration (FNA) cytology to the soft tissue tumors had been neglected. In recent years, however, FNA has been used increasingly in the preoperative diagnosis of these tumors due to its usefulness and accuracy.
We present 3 cases of liposarcoma, myxoid, myxoid with round cell, and pleomorphic, diagnosed by FNA cytology with histologic confirmation. Good correlation between histologic and FNA cytologic findings was found. Although the cytologic appearances of liposarcomas varied with histologic type, the main criterion was the presence of atypical multivacuolated lipoblast with characteristically scalloped nuclei.
- Fine Needle Aspiration Cytology in the Diagnosis of Tuberculosis.
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Dong Wha Lee, So Young Jin, Eun Suk Koh, Chung Ja Kwak
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Korean J Cytopathol. 1990;1(1):68-73.
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- A total 48 cases of tuberculous lesion in the lymph nodes(43 cases), lung (3 cases) and soft tissue(2 cases), was subjected to fine needle aspiration cytology(FNAC). The age of the patients ranged from 19 to 77 year-old(average 33.6 years in age) and the male to female ratio was 1:4.
Thirty-four cases (70.8%) demonstrated distinct granulomatous reaction with or without caseastion necrosis, nine cases(18.8%) showed no granulomas, but large amount of necrotic debris with numerous polymorphonuclear cells and histiocytes, and five cases (10.4%) revealed acellular material only.
The overall AFB positivity in smears was 62.5%. In areas associated with granulomatous reaction and necrosis, AFB positivity was 55.8%, while it was 80.0% in cases with acellular necrotic material.
There were 2 cases of parasitic infestation which could not be easily differentiated from tuberculosis based on aspiration smears only.
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